isabelle: Graph

tuned
2007-06-16, by nipkow
The simprocs "divide_cancel_factor" and "ring_eq_cancel_factor" no
2007-06-16, by nipkow
Locally added definition of "int :: nat => int" again to make
2007-06-15, by berghofe
made divide_self a simp rule
2007-06-15, by nipkow
Removed thunk from Fun
2007-06-15, by nipkow
Church numerals added
2007-06-15, by nipkow
method assumption: uniform treatment of prems as legacy feature;
2007-06-14, by wenzelm
tuned proofs;
2007-06-14, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-14, by wenzelm
fixed term_constants (impact on is_relevant); terms in generalize_tac are sorted before we abstract over them (to *try* to avoid the case when a term to be abstracted over already occurs in an other)
2007-06-14, by chaieb
no computation rules in the pre-simplifiaction set
2007-06-14, by chaieb
Added some lemmas to default presburger simpset; tuned proofs
2007-06-14, by chaieb
tuned proofs: avoid implicit prems;
2007-06-14, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-14, by wenzelm
Now ResHolClause also does first-order problems!
2007-06-14, by paulson
Now also handles FO problems
2007-06-14, by paulson
Deleted unused code
2007-06-14, by paulson
tidied
2007-06-14, by paulson
tuned proofs: avoid implicit prems;
2007-06-14, by wenzelm
clarified who we consider to be a contributor
2007-06-14, by kleing
Fixed Problem with ML-bindings for thm names;
2007-06-14, by chaieb
fixed filter syntax
2007-06-14, by nipkow
updated 'find_theorems' -- moved ProofGeneral specifics to ProofGeneral/CHANGES;
2007-06-14, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-14, by wenzelm
int abbreviates of_nat
2007-06-13, by huffman
tuned proofs: avoid implicit prems;
2007-06-13, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-13, by wenzelm
tuned comments;
2007-06-13, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-13, by wenzelm
clean up instance proofs; reorganize section headings
2007-06-13, by huffman
reactivated theory Class;
2007-06-13, by wenzelm
added the Q_Unit rule (was missing) and adjusted the proof accordingly
2007-06-13, by urbanc
* Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
2007-06-13, by wenzelm
generate_fresh works even if there is no free variable in the goal
2007-06-13, by narboux
tuned;
2007-06-13, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-13, by wenzelm
removed constant int :: nat => int;
2007-06-13, by huffman
thm antiquotations
2007-06-13, by huffman
transaction: context_position (non-destructive only);
2007-06-13, by wenzelm
added map_current;
2007-06-13, by wenzelm
tuned msg;
2007-06-13, by wenzelm
apply_method/end_proof: pass position;
2007-06-13, by wenzelm
renamed map to map_current;
2007-06-13, by wenzelm
tuned;
2007-06-13, by wenzelm
removed unused is_atomic;
2007-06-13, by wenzelm
renamed prove_raw to prove_internal;
2007-06-13, by wenzelm
merge/merge_refs: plain error instead of exception TERM;
2007-06-13, by wenzelm
Context positions.
2007-06-13, by wenzelm
added context_position.ML;
2007-06-13, by wenzelm
renamed Goal.prove_raw to Goal.prove_internal;
2007-06-13, by wenzelm
Method.Basic: include position;
2007-06-13, by wenzelm
tuned proofs: avoid implicit prems;
2007-06-13, by wenzelm
Basic text: include position;
2007-06-13, by wenzelm
thm antiquotations
2007-06-12, by huffman
add lemma inj_of_nat
2007-06-12, by huffman
thm antiquotations
2007-06-12, by huffman
Unfortunately needed patch due to incompatibility with SML -- oo is infix and hence can not appear on the left handside of patterns
2007-06-12, by chaieb
changed int stuff into integer for SMLNJ compatibility
2007-06-12, by chaieb
more of_rat lemmas
2007-06-12, by huffman
add function of_rat and related lemmas
2007-06-12, by huffman
turned curry (op opr) into curry op opr --- because of smlnj
2007-06-12, by chaieb
De-overloaded operations for int and real.
2007-06-12, by wenzelm
SML basis with type int representing proper integers, not machine words.
2007-06-12, by wenzelm
Tuned proofs : now use 'algebra ad: ...'
2007-06-12, by chaieb
cooper_tac takes now two lists of theorems to be added/deleted from the simpset dor pre-simplification
2007-06-12, by chaieb
changed val restriction to local due to smlnj
2007-06-12, by chaieb
Changed normalizer Data to contain a simpset besides the list of instances; Before the method starts, it simplifies with this simpset; Added attribute 'algebra' to add and delete theorems from the simpset above;
2007-06-12, by chaieb
Added algebra_tac; tuned;
2007-06-12, by chaieb
Method now takes theorems to be added or deleted from a simpset for simplificatio before the core method starts
2007-06-12, by chaieb
algebra_tac moved to file Tools/Groebner_Basis/groebner.ML; Method now takes theorems to be added or deleted from a simpset for simplificatio *before* the core method starts
2007-06-12, by chaieb
nex example
2007-06-11, by nipkow
Conversion for computation on constants now depends on the context
2007-06-11, by chaieb
tuned setup for the fields instantiation for Groebner Bases;
2007-06-11, by chaieb
Added dependency on file Groebner_Basis.thy
2007-06-11, by chaieb
Added instantiation of algebra method to fields
2007-06-11, by chaieb
hid constant "dom"
2007-06-11, by nipkow
Removed from CVS, since obselete in the new Presburger Method;
2007-06-11, by chaieb
Generated reflected QE procedure for Presburger Arithmetic-- Cooper's Algorithm -- see HOL/ex/Reflected_Presburger.thy
2007-06-11, by chaieb
Added more examples
2007-06-11, by chaieb
Now only contains generic conversion for quantifier elimination in HOL
2007-06-11, by chaieb
A new tactic for Presburger;
2007-06-11, by chaieb
tuned
2007-06-11, by chaieb
Temporarily added theorems for QE that were in old Presburger.thy ; This will diseappear with the new Ferrante and Rackoff shortly;
2007-06-11, by chaieb
tuned tactic
2007-06-11, by chaieb
Temporarily use int instead of IntInf.int but Code generator should map HOL's int to ML's IntInf.int --- To be fixed
2007-06-11, by chaieb
tuned Proof and Document
2007-06-11, by chaieb
tuned Proof
2007-06-11, by chaieb
A new and cleaned up Theory for QE. for Presburger arithmetic
2007-06-11, by chaieb
Added new files for Presburger (cooper_data.ML, cooper.ML) and deleted old unused ones cooper_dec, cooper_proof, reflected_cooper etc..
2007-06-11, by chaieb
explicitely depends on file groebner.ML
2007-06-11, by chaieb
Context Data for the new presburger Method
2007-06-11, by chaieb
A new simpler and cleaner implementation of proof Synthesis for Presburger Arithmetic --- Cooper's Algorithm
2007-06-11, by chaieb
remove references to constant int::nat=>int
2007-06-11, by huffman
simplify int proofs
2007-06-11, by huffman
modify proofs to avoid referring to int::nat=>int
2007-06-11, by huffman
add int_of_nat versions of lemmas about int::nat=>int
2007-06-11, by huffman
add lemma of_nat_power
2007-06-11, by huffman
add int_of_nat versions of lemmas about int::nat=>int
2007-06-11, by huffman
add abbreviation int_of_nat for of_nat::nat=>int;
2007-06-11, by huffman
disabled theory "Reflected_Presburger" for smlnj (temporarily);
2007-06-10, by wenzelm
disabled theories MIR and ReflectedFerrack for smlnj (temporarily);
2007-06-10, by wenzelm
*** empty log message ***
2007-06-10, by nipkow
remove dependencies of proofs on constant int::nat=>int, preparing to remove it
2007-06-09, by huffman
eqtype int -- explicitly encourage overloaded equality;
2007-06-09, by wenzelm
simplified type integer;
2007-06-09, by wenzelm
Adapted Proofterm.bicompose_proof to Larry's changes in
2007-06-08, by berghofe
Method "algebra" solves polynomial equations over (semi)rings
2007-06-08, by chaieb
generalize zpower_number_of_{even,odd} lemmas
2007-06-08, by huffman
deleted comments
2007-06-07, by obua
deleted legacy lemmas
2007-06-07, by obua
somebody elses problem fixed
2007-06-07, by nipkow
filter syntax change
2007-06-07, by nipkow
remove redundant lemmas
2007-06-07, by huffman
remove references to preal-specific theorems
2007-06-07, by huffman
define (1::preal); clean up instance declarations
2007-06-07, by huffman
tuned
2007-06-07, by huffman
instance preal :: ordered_cancel_ab_semigroup_add
2007-06-07, by huffman
use new-style class for sq_ord; rename op << to sq_le
2007-06-06, by huffman
take out Class.thy again, because it does not yet compile cleanly
2007-06-06, by urbanc
add axclass semiring_char_0 for types where of_nat is injective
2007-06-06, by huffman