more robust font for control symbols, to ensure these obscure codepoints are properly rendered;
session Sequents = Pure +
description {*
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1991 University of Cambridge
Classical Sequent Calculus based on Pure Isabelle.
*}
options [document = false]
theories
LK
ILL
ILL_predlog
Washing
Modal0
T
S4
S43
session "Sequents-LK" in LK = Sequents +
description {*
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1992 University of Cambridge
Examples for Classical Logic.
*}
options [document = false]
theories
Propositional
Quantifiers
Hard_Quantifiers
Nat