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normalizer conversions depend on the proof context; added functions for conversion and wrapper that sill depend on the variable ordering (_ord)
2007-06-17, by chaieb
added theorems nonzero_mult_divide_cancel_right' nonzero_mult_divide_cancel_left' ordered_field_no_lb ordered_field_no_ub
2007-06-17, by chaieb
moved lemma all_not_ex to HOL.thy ; tuned proofs
2007-06-17, by chaieb
Tuned instantiation of Groebner bases to fields
2007-06-17, by chaieb
added Theorem all_not_ex
2007-06-17, by chaieb
renamed vars in zle_trans for compatibility
2007-06-17, by nipkow
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
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