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begriff.sty - a LaTeX2e package for typesetting begriffsschrift
This style style can be used with LaTeX to typeset material written in
Frege's Begriffsschrift. It defines eight new LaTeX math mode commands:
\BGassert - generates an assertion sign
\BGcontent - generates an assertion sign
\BGnot - generates a negation sign
\BGquant{v} - generates a universal quantifier with variable v
\BGconditional{a}{c} - generates a conditional with antecendent
a and consequent c. Note that in the Begriffsschrift,
the antecendent is placed below the consequent.
(the following three commands were introduced in version 1.5)
\BGterm{x} - creates a right-justified terminal node x
\BGstem{x} - inserts arbitrary LaTeX maths x into a non-terminal node
\BGbracket{x} - places the expression x inside brackets
You also have the normal resources of LaTeX math mode, and (if you
have the amssymb package, AMS symbols) at your disposal; so, you can
use \mathfrak{v} to get a fraktur character, \acute{v} to get a
character with a slanting hat, and \alpha (etc.) to get greek letters.
You can also tweak the appearance of the resulting material by
modifying the values of the following lengths:
\BGthickness - the thickness of lines (by default 0.4pt,
bigger numbers = bolder)
\BGbeforelen - the length of line inserted before a begriffsschrift symbol
\BGafterlen - the length of line inserted after a begriffsschrift symbol
\BGspace - the length of space inserted between begriffsschrift and
normal maths
(and, since version 1.5)
\BGlinewidth - the total width of the diagram
This is version 1.6 (20th May 2005)
which includes:
Changes made in October 2004 by Richard Heck <heck@fas.harvard.edu>
Purpose of changes: To make the format of the formulae closer to how
they are set in Frege's published works.
And some additional changes made by Josh Parsons (May 2005) to fix a problem with linespacing.
The style file is hereby placed under the GNU General Public License.
For more information, see:
http://weka.ucdavis.edu/~ahwiki/bin/view/Main/BegriffsschriftLaTeX
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