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Sun, 17 Jun 2007 18:47:03 +0200 nipkow tuned laws for cancellation in divisions for fields. changeset | files
Sun, 17 Jun 2007 13:39:50 +0200 chaieb moved nonzero_mult_divide_cancel_right to Ring_and_Field as nonzero_mult_divide_cancel_right'; tuned proofs changeset | files
Sun, 17 Jun 2007 13:39:48 +0200 chaieb Added eta_conv and eta-expansion conversion: waiting for it to be in thm.ML; exported is_refl changeset | files
Sun, 17 Jun 2007 13:39:45 +0200 chaieb gen_qelim_conv now reduces the universal quatifier to the existential one; Now also deals with Ex f for eta-contracted f; changeset | files
Sun, 17 Jun 2007 13:39:39 +0200 chaieb thin_prems_tac first max-scopes universal quantifiers; eta_conv moved to Pure/conv.ML changeset | files
Sun, 17 Jun 2007 13:39:34 +0200 chaieb Tuned error messages; tuned; changeset | files
Sun, 17 Jun 2007 13:39:32 +0200 chaieb normalizer conversions depend on the proof context; added functions for conversion and wrapper that sill depend on the variable ordering (_ord) changeset | files
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isabelle