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simplify some proofs
20070620, by huffman
oops  fixed profiling;
20070619, by wenzelm
Balanced binary trees (material from library.ML);
20070619, by wenzelm
profiling: observe no_timing;
20070619, by wenzelm
added raw_tactic;
20070619, by wenzelm
moved balanced tree operations to General/balanced_tree.ML;
20070619, by wenzelm
added with_subgoal;
20070619, by wenzelm
balanced conjunctions;
20070619, by wenzelm
balanced conjunctions;
20070619, by wenzelm
added General/balanced_tree.ML;
20070619, by wenzelm
BalancedTree;
20070619, by wenzelm
balanced conjunctions;
20070619, by wenzelm
tuned;
20070619, by wenzelm
generalized proofs so that call graphs can have any node type.
20070619, by krauss
macbroy5: trying j 2;
20070619, by wenzelm
tuned conjunction tactics: slightly smaller proof terms;
20070618, by wenzelm
tuned laws for cancellation in divisions for fields.
20070617, by nipkow
moved nonzero_mult_divide_cancel_right to Ring_and_Field as nonzero_mult_divide_cancel_right'; tuned proofs
20070617, by chaieb
Added eta_conv and etaexpansion conversion: waiting for it to be in thm.ML; exported is_refl
20070617, by chaieb
gen_qelim_conv now reduces the universal quatifier to the existential one; Now also deals with Ex f for etacontracted f;
20070617, by chaieb
thin_prems_tac first maxscopes universal quantifiers; eta_conv moved to Pure/conv.ML
20070617, by chaieb
Tuned error messages; tuned;
20070617, by chaieb
normalizer conversions depend on the proof context; added functions for conversion and wrapper that sill depend on the variable ordering (_ord)
20070617, by chaieb
added theorems nonzero_mult_divide_cancel_right' nonzero_mult_divide_cancel_left' ordered_field_no_lb ordered_field_no_ub
20070617, by chaieb
moved lemma all_not_ex to HOL.thy ; tuned proofs
20070617, by chaieb
Tuned instantiation of Groebner bases to fields
20070617, by chaieb
added Theorem all_not_ex
20070617, by chaieb
renamed vars in zle_trans for compatibility
20070617, by nipkow
tuned
20070616, by nipkow
The simprocs "divide_cancel_factor" and "ring_eq_cancel_factor" no
20070616, by nipkow
Locally added definition of "int :: nat => int" again to make
20070615, by berghofe
made divide_self a simp rule
20070615, by nipkow
Removed thunk from Fun
20070615, by nipkow
Church numerals added
20070615, by nipkow
method assumption: uniform treatment of prems as legacy feature;
20070614, by wenzelm
tuned proofs;
20070614, by wenzelm
tuned proofs: avoid implicit prems;
20070614, 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)
20070614, by chaieb
no computation rules in the presimplifiaction set
20070614, by chaieb
Added some lemmas to default presburger simpset; tuned proofs
20070614, by chaieb
tuned proofs: avoid implicit prems;
20070614, by wenzelm
tuned proofs: avoid implicit prems;
20070614, by wenzelm
Now ResHolClause also does firstorder problems!
20070614, by paulson
Now also handles FO problems
20070614, by paulson
Deleted unused code
20070614, by paulson
tidied
20070614, by paulson
tuned proofs: avoid implicit prems;
20070614, by wenzelm
clarified who we consider to be a contributor
20070614, by kleing
Fixed Problem with MLbindings for thm names;
20070614, by chaieb
fixed filter syntax
20070614, by nipkow
updated 'find_theorems'  moved ProofGeneral specifics to ProofGeneral/CHANGES;
20070614, by wenzelm
tuned proofs: avoid implicit prems;
20070614, by wenzelm
int abbreviates of_nat
20070613, by huffman
tuned proofs: avoid implicit prems;
20070613, by wenzelm
tuned proofs: avoid implicit prems;
20070613, by wenzelm
tuned comments;
20070613, by wenzelm
tuned proofs: avoid implicit prems;
20070613, by wenzelm
clean up instance proofs; reorganize section headings
20070613, by huffman
reactivated theory Class;
20070613, by wenzelm
added the Q_Unit rule (was missing) and adjusted the proof accordingly
20070613, by urbanc
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