blanchet [Tue, 24 Jun 2014 08:19:54 +0200] rev 57289
help reconstruction of Z3 skolemization by weakening formulas a bit
blanchet [Tue, 24 Jun 2014 08:19:22 +0200] rev 57288
supports gradual skolemization (cf. Z3) by threading context through correctly
blanchet [Tue, 24 Jun 2014 08:19:22 +0200] rev 57287
given two one-liners, only show the best of the two
blanchet [Tue, 24 Jun 2014 08:19:22 +0200] rev 57286
don't generate Isar proof skeleton for what amounts to a one-line proof
blanchet [Tue, 24 Jun 2014 08:19:22 +0200] rev 57285
don't accidentally transform 'show' into 'obtains' (in general, more 'obtain's could be turned into 'have's, but this is not necessary for the correctness of the proof)
nipkow [Sun, 22 Jun 2014 12:37:55 +0200] rev 57284
r_into_(r)trancl should not be [simp]: helps little and comlicates some AFP proofs