mirror of https://github.com/2martens/uni.git
470 lines
17 KiB
TeX
470 lines
17 KiB
TeX
% sfmath.sty, copyright 2001-2007 by Olaf Dietrich (olaf@dtrx.de)
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%
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% This work may be distributed and/or modified under the
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% conditions of the LaTeX Project Public License, either version 1.3
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% of this license or (at your option) any later version.
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% The latest version of this license is in
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% http://www.latex-project.org/lppl.txt
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% and version 1.3 or later is part of all distributions of LaTeX
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% version 2005/12/01 or later.
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%
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% This work has the LPPL maintenance status `maintained'.
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%
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% The Current Maintainer of this work is Olaf Dietrich.
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%
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% This work consists of the file sfmath.sty.
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\NeedsTeXFormat{LaTeX2e}
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\ProvidesPackage{sfmath}[2007/08/27 v0.8 sans serif maths]
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% This is a simple package for sans serif maths in documents.
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%
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% Usage: \usepackage{sfmath} or \usepackage[OPTIONS]{sfmath}
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%
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% After including the package sfmath.sty, all maths of the current
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% document is displayed with sans serif fonts; there is no way to
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% switch back to the original behavior.
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%
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% The default sans serif font for maths is the sans serif font
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% selected for sans serif text (i.e., \sfdefault) when sfmath.sty
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% is loaded. Therefore, you must include sfmath.sty after having
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% changed \sfdefault, e.g., by a package such as helvet.sty or
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% manually. Alternatively, use one of the font options described
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% below (cm, helvet, cmbright, tx, px, or lm) in order to override
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% the default sans serif font.
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%
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% Package OPTIONS (options marked with (+) are experimental):
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%
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% * slantedGreek: for slanted uppercase Greek letters
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%
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% * cm: use Computer Modern (cmss) for maths (explicitly)
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% * helvet: use Postscript Helvetica (phv) for maths (explicitly)
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% * cmbright: use CM-Bright fonts (cmbr) for maths (explicitely)
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% * tx: use Postscript txfonts (tx) for maths (explicitly)
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% * px: use Postscript pxfonts (tx) for maths (explicitly)
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% * lm: use Latin Modern (lmss) for maths (explicitly) (+)
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%
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% * T1experimental: use T1 font encoding for standard maths (+)
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% * AlphT1experimental: use T1 font encoding for \math*{...} commands (+)
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%
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% * mathrmOrig: do not change the behavior of the \mathrm command
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% * mathbfOrig: do not change the behavior of the \mathbf command
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% * mathitOrig: do not change the behavior of the \mathit command
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% * mathsfOrig: do not change the behavior of the \mathsf command
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%
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% (+): Known limitations of experimental options:
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% T1experimental produces a warning about the encoding of the
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% operators font.
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% AlphT1experimental DOES NOT WORK with uppercase Greek letters
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% within the \math*{...} command!
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% These options should only be used with the ec fonts.
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%
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% lm includes T1experimental and AlphT1experimental with the
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% limitations mentioned above.
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%
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% RECOMMENDATION:
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% use the fix-cm package instead of the experimental
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% T1 options: with fix-cm.sty, the chosen ec fonts
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% harmonize much better with the cm sans serif math fonts.
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% Add \RequirePackage{fix-cm} _before_ \documentclass{...}.
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%
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%
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% Some new macros are defined by sfmath.sty:
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%
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% * \mathsl{...}: A new math alphabet that is by default identical
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% with \mathit{...}; useful in combination with the option mathitOrig.
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%
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% * \upOmega, \upDelta: upright versions of \Omega and \Delta;
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% useful when the option slantedGreek is selected.
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%
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%
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% More documentation can currently be found at:
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% <URL:http://dtrx.de/od/tex/sfmath.html>
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% CHANGES:
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%
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% v0.8:
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%
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% * Update documentation and add license details for CTAN upload.
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%
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%
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% v0.7:
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%
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% * Add (experimental) support for latin modern (lmodern) fonts.
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%
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%
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% v0.6:
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%
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% * Add some artificial intelligence to use slanted bold letters
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% if available (e.g., for phv, txfonts, or pxfonts).
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% Add options to select txfonts, pxfonts, and cmbright (probably
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% not very useful) explicitely.
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% (Thanks to Alberto Lusiani who asked for slanted bold letters.)
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%
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%
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% v0.5:
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%
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% * Add experimental options for T1 font encoding of maths fonts.
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% Using these options can be useful with ec fonts which look
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% slightly different from the standard cm maths fonts (especially
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% at large font size). About limitations see above.
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%
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%
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% v0.4:
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%
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% * Add \upDelta, \upOmega command (to be a little more compatible
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% with other packages that provide the slantedGreek option)
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%
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%
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% v0.3:
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%
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% * Add sans serif shapes for "," and ".", "\ldotp"
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%
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% * Modified documentation
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%
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%
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% v0.2:
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%
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% * New option slantedGreek for slanted greek capitals
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%
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% * Options helvet and cm to select explicitly the sans serif font
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% for maths. Without any of these options, the current \sfdefault
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% is chosen.
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%
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% * Options mathxxOrig: don't change the alphabet command \mathxx;
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% available for \mathrm, \mathbf, \mathit, and \mathsf
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%
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% * Provide dotlessi and dotlessj (if available)
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%
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% BUGS/LIMITATIONS/PROBLEMS:
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%
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% * Functionality is limited by the intention to work without
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% additionally defined (virtual) fonts; instead, only standard
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% fonts are used.
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%
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% * The font metrics are not adjusted to maths usage (this may
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% result in typographically unsatisfying results).
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%
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% * In many constellations with Postscript fonts (helvet.sty,
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% pslatex.sty, ...) the upper-case greek letters are not chosen
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% correctly within \mathrm, \mathbf, \mathit, ... (because
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% they should be part of OT1-encoded fonts but are not included
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% in these standard postscript fonts).
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%
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% * Bold math symbols are not always available (e.g. with pslatex.sty)
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% or at least not slanted (e.g. with cmss fonts), so better don't
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% use bold maths with this package. (This has been partially improved
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% in version 0.6.)
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%
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% * There is a visual difference between the ec sans serif text fonts
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% and the cm sans serif maths fonts, especially at larger font sizes.
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% The fix-cm package might help to reduce the ugliness of the ec
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% sans serif fonts and the differences between the ec text fonts
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% and the cm math fonts.
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% Alternatively, the experimental options T1experimental and
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% AlphT1Experimental might help by using the ec fonts for maths as well.
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%
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% * The txfonts and pxfonts are reported to have several deficiencies
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% with respect to font metrics and macro implementation; using
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% these fonts is not recommended by the package author.
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%
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% * The set symbols \mathbb{N} or \mathbbm{N} (from bbm.sty) are not
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% changed. You might like to use \mathbbmss{N} (from bbm.sty).
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%
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% * Some symbols have serifish shapes (\sum, \prod, probably more) and
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% are not changed.
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%
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% * Lower-case greek letters are not available in sans serif shape
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% (they don't have real serifs, but cannot be expected to harmonize
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% with the sans serif latin letters).
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%
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%
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% TODO:
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%
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% * Improve documentation.
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%
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% * Provide LaTeX .ins/.dtx files instead of naked .sty file.
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%
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% HERE WE GO:
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% Declare options and defaults and process options
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\DeclareOption{slantedGreek}{%
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\renewcommand{\greek@shape}{sl}%
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\renewcommand{\greek@bold@shape}{\greek@bold@sl}%
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}
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\DeclareOption{cm}{\renewcommand{\math@sfdefault}{cmss}}
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\DeclareOption{lm}{\renewcommand{\math@sfdefault}{lmss}}
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\DeclareOption{helvet}{\renewcommand{\math@sfdefault}{phv}}
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\DeclareOption{cmbright}{\renewcommand{\math@sfdefault}{cmbr}}
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\DeclareOption{tx}{\renewcommand{\math@sfdefault}{txss}}
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\DeclareOption{px}{\renewcommand{\math@sfdefault}{pxss}}
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\DeclareOption{T1experimental}{\renewcommand{\math@encoding}{T1}}
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\DeclareOption{AlphT1experimental}{\renewcommand{\math@lph@encoding}{T1}}
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\DeclareOption{mathrmOrig}{\renewcommand{\mathrm@lph}{cmr}}
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\DeclareOption{mathbfOrig}{\renewcommand{\mathbf@lph}{cmr}}
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\DeclareOption{mathitOrig}{\renewcommand{\mathit@lph}{cmr}}
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\DeclareOption{mathsfOrig}{\renewcommand{\mathsf@lph}{cmss}}
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\newcommand{\math@sfdefault}{\sfdefault}
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\newcommand{\math@encoding}{OT1}
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\newcommand{\math@lph@encoding}{OT1}
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\newcommand{\mathrm@lph}{\math@sfdefault}
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\newcommand{\mathbf@lph}{\math@sfdefault}
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\newcommand{\mathit@lph}{\math@sfdefault}
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\newcommand{\mathsf@lph}{\math@sfdefault}
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% \math@sfGreek: Font for capital greeks: cmss or other?
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% \greek@shape: Capital greeks: normal or slanted? [slantedGreek]
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% \greek@bold@shape: Bold capital greeks: normal or slanted? [slantedGreek]
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% \greek@bold@sl: Bold capital greeks: "sl" if slanted possible
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%
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% \mathnormal@bold@shape: Bold letters: normal or slanted? (always bold)
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% \mathit@bold@series: Bold \mathit (\mathsl): medium or bold? (always slanted)
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\newcommand{\math@sfGreek}{cmss}
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\newcommand{\greek@shape}{n}
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\newcommand{\greek@bold@shape}{n}
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\newcommand{\greek@bold@sl}{n}
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\newcommand{\mathnormal@bold@shape}{n}
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\newcommand{\mathit@bold@series}{m}
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\ProcessOptions
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% check the current value of \math@sfdefault
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\edef\tmp@sfdefault{\math@sfdefault}
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\def\tmp@compare{cmss}
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\ifx\tmp@sfdefault\tmp@compare
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% \sfdefault is cmss
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% no slanted bold letters
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% no slanted bold capital Greeks
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\renewcommand{\math@sfGreek}{cmss}
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\renewcommand{\greek@bold@sl}{n}
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\renewcommand{\mathnormal@bold@shape}{n}
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\renewcommand{\mathit@bold@series}{m}
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\fi
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\def\tmp@compare{phv}
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\ifx\tmp@sfdefault\tmp@compare
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% \sfdefault is phv (helvet.sty)
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% slanted bold letters
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% no capital Greeks
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\renewcommand{\math@sfGreek}{cmss}
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\renewcommand{\greek@bold@sl}{n}
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\renewcommand{\mathnormal@bold@shape}{sl}
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\renewcommand{\mathit@bold@series}{bx}
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\fi
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\def\tmp@compare{txss}
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\ifx\tmp@sfdefault\tmp@compare
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% \sfdefault is txss (txfonts.sty)
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% slanted bold letters
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% slanted bold capital Greeks
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\renewcommand{\math@sfGreek}{txss}
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\renewcommand{\greek@bold@sl}{sl}
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\renewcommand{\mathnormal@bold@shape}{sl}
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\renewcommand{\mathit@bold@series}{bx}
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\fi
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\def\tmp@compare{pxss}
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\ifx\tmp@sfdefault\tmp@compare
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% \sfdefault is pxss (pxfonts.sty)
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% slanted bold letters
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% slanted bold capital Greeks
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\renewcommand{\math@sfGreek}{pxss}
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\renewcommand{\greek@bold@sl}{sl}
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\renewcommand{\mathnormal@bold@shape}{sl}
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\renewcommand{\mathit@bold@series}{bx}
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\fi
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\def\tmp@compare{cmbr}
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\ifx\tmp@sfdefault\tmp@compare
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% \sfdefault is cmbr (cmbright.sty)
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% no slanted bold letters
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% no slanted bold capital Greeks
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\renewcommand{\math@sfGreek}{cmbr}
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\renewcommand{\greek@bold@sl}{n}
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\renewcommand{\mathnormal@bold@shape}{n}
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\renewcommand{\mathit@bold@series}{m}
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\fi
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\def\tmp@compare{lmss}
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\ifx\tmp@sfdefault\tmp@compare
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% \sfdefault is lmss (lmodern.sty sans serif)
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% T1 encoding only
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% slanted bold letters
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% no slanted bold capital Greeks
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\renewcommand{\math@encoding}{T1}
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\renewcommand{\math@lph@encoding}{T1}
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\renewcommand{\math@sfGreek}{cmss}
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\renewcommand{\greek@bold@sl}{n}
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\renewcommand{\mathnormal@bold@shape}{sl}
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\renewcommand{\mathit@bold@series}{bx}
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\fi
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% Change font for digits and "operators" (\sin, \exp, ...)
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% to default sans serif font
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\SetSymbolFont{operators}{normal}{\math@encoding}{\math@sfdefault}{m}{n}
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\SetSymbolFont{operators}{bold}{\math@encoding}{\math@sfdefault}{bx}{n}
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% Most special math symbols remain unmodified (and many of those
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% don't have serifs); however all letters (A-Z, a-z) are
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% explicitely changed to the sans serif version (again
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% default sans serif font).
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%
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% Unfortunately, there is no standard slanted+bold sans serif font
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% available (as Postscript Type 1 font), so try an upright
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% version (may be better than nothing).
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\DeclareSymbolFont{SFMath}{\math@encoding}{\math@sfdefault}{m}{sl}
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\SetSymbolFont{SFMath}{normal}{\math@encoding}{\math@sfdefault}{m}{sl}
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\SetSymbolFont{SFMath}{bold}{\math@encoding}{\math@sfdefault}{bx}{\mathnormal@bold@shape}
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\DeclareMathSymbol{A}{\mathalpha}{SFMath}{`A}
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\DeclareMathSymbol{B}{\mathalpha}{SFMath}{`B}
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\DeclareMathSymbol{C}{\mathalpha}{SFMath}{`C}
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\DeclareMathSymbol{D}{\mathalpha}{SFMath}{`D}
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\DeclareMathSymbol{E}{\mathalpha}{SFMath}{`E}
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\DeclareMathSymbol{F}{\mathalpha}{SFMath}{`F}
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\DeclareMathSymbol{G}{\mathalpha}{SFMath}{`G}
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\DeclareMathSymbol{H}{\mathalpha}{SFMath}{`H}
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\DeclareMathSymbol{I}{\mathalpha}{SFMath}{`I}
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\DeclareMathSymbol{J}{\mathalpha}{SFMath}{`J}
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\DeclareMathSymbol{K}{\mathalpha}{SFMath}{`K}
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\DeclareMathSymbol{L}{\mathalpha}{SFMath}{`L}
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\DeclareMathSymbol{M}{\mathalpha}{SFMath}{`M}
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\DeclareMathSymbol{N}{\mathalpha}{SFMath}{`N}
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\DeclareMathSymbol{O}{\mathalpha}{SFMath}{`O}
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\DeclareMathSymbol{P}{\mathalpha}{SFMath}{`P}
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\DeclareMathSymbol{Q}{\mathalpha}{SFMath}{`Q}
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\DeclareMathSymbol{R}{\mathalpha}{SFMath}{`R}
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\DeclareMathSymbol{S}{\mathalpha}{SFMath}{`S}
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\DeclareMathSymbol{T}{\mathalpha}{SFMath}{`T}
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\DeclareMathSymbol{U}{\mathalpha}{SFMath}{`U}
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\DeclareMathSymbol{V}{\mathalpha}{SFMath}{`V}
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\DeclareMathSymbol{W}{\mathalpha}{SFMath}{`W}
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\DeclareMathSymbol{X}{\mathalpha}{SFMath}{`X}
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\DeclareMathSymbol{Y}{\mathalpha}{SFMath}{`Y}
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\DeclareMathSymbol{Z}{\mathalpha}{SFMath}{`Z}
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\DeclareMathSymbol{a}{\mathalpha}{SFMath}{`a}
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\DeclareMathSymbol{b}{\mathalpha}{SFMath}{`b}
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\DeclareMathSymbol{c}{\mathalpha}{SFMath}{`c}
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\DeclareMathSymbol{d}{\mathalpha}{SFMath}{`d}
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\DeclareMathSymbol{e}{\mathalpha}{SFMath}{`e}
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\DeclareMathSymbol{f}{\mathalpha}{SFMath}{`f}
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\DeclareMathSymbol{g}{\mathalpha}{SFMath}{`g}
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\DeclareMathSymbol{h}{\mathalpha}{SFMath}{`h}
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\DeclareMathSymbol{i}{\mathalpha}{SFMath}{`i}
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\DeclareMathSymbol{j}{\mathalpha}{SFMath}{`j}
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\DeclareMathSymbol{k}{\mathalpha}{SFMath}{`k}
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\DeclareMathSymbol{l}{\mathalpha}{SFMath}{`l}
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\DeclareMathSymbol{m}{\mathalpha}{SFMath}{`m}
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\DeclareMathSymbol{n}{\mathalpha}{SFMath}{`n}
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\DeclareMathSymbol{o}{\mathalpha}{SFMath}{`o}
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\DeclareMathSymbol{p}{\mathalpha}{SFMath}{`p}
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\DeclareMathSymbol{q}{\mathalpha}{SFMath}{`q}
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\DeclareMathSymbol{r}{\mathalpha}{SFMath}{`r}
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\DeclareMathSymbol{s}{\mathalpha}{SFMath}{`s}
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\DeclareMathSymbol{t}{\mathalpha}{SFMath}{`t}
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\DeclareMathSymbol{u}{\mathalpha}{SFMath}{`u}
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\DeclareMathSymbol{v}{\mathalpha}{SFMath}{`v}
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\DeclareMathSymbol{w}{\mathalpha}{SFMath}{`w}
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\DeclareMathSymbol{x}{\mathalpha}{SFMath}{`x}
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\DeclareMathSymbol{y}{\mathalpha}{SFMath}{`y}
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\DeclareMathSymbol{z}{\mathalpha}{SFMath}{`z}
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\DeclareMathSymbol{\imath}{\mathalpha}{SFMath}{"10}
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\DeclareMathSymbol{\jmath}{\mathalpha}{SFMath}{"11}
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% The symbols ",", ".", and "\ldotp" should be sans serif
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% but upright.
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\DeclareSymbolFont{SFMathUp}{\math@encoding}{\math@sfdefault}{m}{n}
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\SetSymbolFont{SFMathUp}{normal}{\math@encoding}{\math@sfdefault}{m}{n}
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\SetSymbolFont{SFMathUp}{bold}{\math@encoding}{\math@sfdefault}{bx}{n}
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\DeclareMathSymbol{,}{\mathpunct}{SFMathUp}{`,}
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\DeclareMathSymbol{.}{\mathord}{SFMathUp}{`.}
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\DeclareMathSymbol{\ldotp}{\mathord}{SFMathUp}{`.}
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% Take capital greek letters from cmss or [tp]xss; other sans serif fonts
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% like helvetica don't have capital greeks, so here cmss is
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% taken instead of \sfdefault. Unfortunately, this does not work
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% within the alphabet commands \mathrm, \mathsf, ...
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\DeclareSymbolFont{SFMathGreek}{OT1}{\math@sfGreek}{m}{\greek@shape}
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\SetSymbolFont{SFMathGreek}{normal}{OT1}{\math@sfGreek}{m}{\greek@shape}
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\SetSymbolFont{SFMathGreek}{bold}{OT1}{\math@sfGreek}{bx}{\greek@bold@shape}
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\DeclareMathSymbol{\Gamma}{\mathalpha}{SFMathGreek}{"00}
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\DeclareMathSymbol{\Delta}{\mathalpha}{SFMathGreek}{"01}
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\DeclareMathSymbol{\Theta}{\mathalpha}{SFMathGreek}{"02}
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\DeclareMathSymbol{\Lambda}{\mathalpha}{SFMathGreek}{"03}
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\DeclareMathSymbol{\Xi}{\mathalpha}{SFMathGreek}{"04}
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\DeclareMathSymbol{\Pi}{\mathalpha}{SFMathGreek}{"05}
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\DeclareMathSymbol{\Sigma}{\mathalpha}{SFMathGreek}{"06}
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\DeclareMathSymbol{\Upsilon}{\mathalpha}{SFMathGreek}{"07}
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\DeclareMathSymbol{\Phi}{\mathalpha}{SFMathGreek}{"08}
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\DeclareMathSymbol{\Psi}{\mathalpha}{SFMathGreek}{"09}
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\DeclareMathSymbol{\Omega}{\mathalpha}{SFMathGreek}{"0A}
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\DeclareSymbolFont{SFMathUpGreek}{OT1}{\math@sfGreek}{m}{n}
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\SetSymbolFont{SFMathUpGreek}{normal}{OT1}{\math@sfGreek}{m}{n}
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\SetSymbolFont{SFMathUpGreek}{bold}{OT1}{\math@sfGreek}{bx}{n}
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\DeclareMathSymbol{\upDelta}{\mathalpha}{SFMathUpGreek}{"01}
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\DeclareMathSymbol{\upOmega}{\mathalpha}{SFMathUpGreek}{"0A}
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% Define new behavior for math alphabet commands
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\SetMathAlphabet{\mathnormal}{normal}{\math@lph@encoding}{\math@sfdefault}{m}{sl}
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\SetMathAlphabet{\mathnormal}{bold}{\math@lph@encoding}{\math@sfdefault}{bx}{\mathnormal@bold@shape}
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\SetMathAlphabet{\mathrm}{normal}{\math@lph@encoding}{\mathrm@lph}{m}{n}
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\SetMathAlphabet{\mathrm}{bold}{\math@lph@encoding}{\mathrm@lph}{bx}{n}
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\SetMathAlphabet{\mathbf}{normal}{\math@lph@encoding}{\mathbf@lph}{bx}{n}
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\SetMathAlphabet{\mathbf}{bold}{\math@lph@encoding}{\mathbf@lph}{bx}{n}
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\SetMathAlphabet{\mathit}{normal}{\math@lph@encoding}{\mathit@lph}{m}{sl}
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\SetMathAlphabet{\mathit}{bold}{\math@lph@encoding}{\mathit@lph}{\mathit@bold@series}{sl}
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\SetMathAlphabet{\mathsf}{normal}{\math@lph@encoding}{\mathsf@lph}{m}{n}
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\SetMathAlphabet{\mathsf}{bold}{\math@lph@encoding}{\mathsf@lph}{bx}{n}
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% Define new math alphabet command \mathsl
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\DeclareMathAlphabet{\mathsl}{\math@lph@encoding}{\math@sfdefault}{m}{sl}
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\SetMathAlphabet{\mathsl}{bold}{\math@lph@encoding}{\math@sfdefault}{\mathit@bold@series}{sl}
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\endinput
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