chaieb [Sun, 17 Jun 2007 13:39:48 +0200] rev 23411
Added eta_conv and eta-expansion conversion: waiting for it to be in thm.ML; exported is_refl
chaieb [Sun, 17 Jun 2007 13:39:45 +0200] rev 23410
gen_qelim_conv now reduces the universal quatifier to the existential one; Now also deals with Ex f for eta-contracted f;
chaieb [Sun, 17 Jun 2007 13:39:39 +0200] rev 23409
thin_prems_tac first max-scopes universal quantifiers; eta_conv moved to Pure/conv.ML
chaieb [Sun, 17 Jun 2007 13:39:34 +0200] rev 23408
Tuned error messages; tuned;
chaieb [Sun, 17 Jun 2007 13:39:32 +0200] rev 23407
normalizer conversions depend on the proof context; added functions for conversion and wrapper that sill depend on the variable ordering (_ord)
chaieb [Sun, 17 Jun 2007 13:39:29 +0200] rev 23406
added theorems nonzero_mult_divide_cancel_right' nonzero_mult_divide_cancel_left' ordered_field_no_lb ordered_field_no_ub
chaieb [Sun, 17 Jun 2007 13:39:27 +0200] rev 23405
moved lemma all_not_ex to HOL.thy ; tuned proofs
chaieb [Sun, 17 Jun 2007 13:39:25 +0200] rev 23404
Tuned instantiation of Groebner bases to fields
chaieb [Sun, 17 Jun 2007 13:39:22 +0200] rev 23403
added Theorem all_not_ex
nipkow [Sun, 17 Jun 2007 08:56:13 +0200] rev 23402
renamed vars in zle_trans for compatibility