isabelle: Graph

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Numerous cosmetic changes, prompted by the new simplifier
2002-10-01, by paulson
Deleted superfluous dest_implies.
2002-10-01, by berghofe
*** empty log message ***
2002-09-30, by nipkow
Adapted to new simplifier.
2002-09-30, by berghofe
Adapted to new simplifier.
2002-09-30, by berghofe
Fixed bug in expand_proof which caused indexes to be incremented incorrectly.
2002-09-30, by berghofe
Added check for axioms with "realizes Null A = A".
2002-09-30, by berghofe
Added function elim_vars.
2002-09-30, by berghofe
Completely reimplemented mutual simplification of premises.
2002-09-30, by berghofe
Removed nRS again because extract_rews now takes care of preserving names.
2002-09-30, by berghofe
Added syntax for "asm_lr" simplifier option.
2002-09-30, by berghofe
- eliminated thin_leading_eqs_tac
2002-09-30, by berghofe
Introduced addss', which adds asm_lr_simp_tac as a wrapper to the claset.
2002-09-30, by berghofe
- additional congruence rules for boolean operators
2002-09-30, by berghofe
Adapted to new simplifier.
2002-09-30, by berghofe
Removed nRS again because extract_rews now takes care of preserving names.
2002-09-30, by berghofe
Added elim_vars to preprocessor.
2002-09-30, by berghofe
Fixed problem with induct_conj_curry: variable C should have type prop.
2002-09-30, by berghofe
fixes !!-bound vars in induction statement automatically
2002-09-30, by nipkow
modified induct method
2002-09-30, by nipkow
Proof tidying
2002-09-27, by paulson
Isar experiments, etc.
2002-09-27, by paulson
Tidied. New Pi-theorem.
2002-09-27, by paulson
new Ring example
2002-09-27, by paulson
Isar proof
2002-09-27, by paulson
Modules theory added
2002-09-27, by paulson
New theory GroupTheory/Module.thy of modules
2002-09-27, by paulson
Renamed Integ/int.ML to Integ/Int_lemmas.ML to prevent confusion with Int.ML
2002-09-26, by paulson
GroupTheory and FuncSet
2002-09-26, by paulson
new theory for Pi-sets, restrict, etc.
2002-09-26, by paulson
Converted Fun to Isar style.
2002-09-26, by paulson
new document directory for GroupTheory
2002-09-26, by paulson
converted to Isar and using new "implicit structures" instead of Sigma, etc
2002-09-26, by paulson
*** empty log message ***
2002-09-25, by nipkow
*** empty log message ***
2002-09-25, by nipkow
*** empty log message ***
2002-09-25, by nipkow
Int.thy -> int.thy
2002-09-25, by nipkow
became int.ML
2002-09-25, by nipkow
conversion to Isar
2002-09-25, by nipkow
converted to Isar
2002-09-25, by nipkow
added nat_split
2002-09-25, by nipkow
converted to Isar script
2002-09-21, by paulson
shortened a proof
2002-09-20, by paulson
got rid of deepen_tac
2002-09-20, by paulson
less use of x-symbols
2002-09-20, by paulson
*** empty log message ***
2002-09-19, by nipkow
drule: added nRS
2002-09-19, by nipkow
preserve names of rewrite rules when transforming them
2002-09-19, by nipkow
comments + usage
2002-09-18, by kleing
Streamlined proofs of instances of Separation
2002-09-11, by paulson
Bound variable preservation in Collect_cong
2002-09-11, by paulson
renamed M_triv_axioms to M_trivial and M_axioms to M_basic
2002-09-10, by paulson
tweaks
2002-09-10, by paulson
*** empty log message ***
2002-09-09, by nipkow
bug in counter example finder
2002-09-09, by nipkow
conversion of ZF/Integ/{Int,Bin} to Isar scripts
2002-09-07, by paulson
added checking so that (rename_tac "x y") is rejected, since
2002-09-05, by paulson
tidied
2002-09-03, by paulson
deleted redundant material (quasiformula, ...) and rationalized
2002-09-03, by paulson
fixed the typesetting
2002-09-03, by paulson

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