2014-05-16 blanchet 2014-05-16 honor original format of conjecture or hypotheses in Z3-to-Isar proofs
2014-05-04 blanchet 2014-05-04 simplify unused universally quantified variables in Z3 proofs
2014-03-14 blanchet 2014-03-14 remove '__' skolem suffixes before showing terms to users
2014-03-14 blanchet 2014-03-14 undo rewrite rules (e.g. for 'fun_app') in Isar
2014-03-14 blanchet 2014-03-14 more simplification of trivial steps
2014-03-13 blanchet 2014-03-13 correctly reconstruct helper facts (e.g. 'nat_int') in Isar proofs
2014-03-13 blanchet 2014-03-13 thread through step IDs from Z3 to Sledgehammer
2014-03-13 blanchet 2014-03-13 have Sledgehammer generate Isar proofs from Z3 proofs
2014-03-13 blanchet 2014-03-13 moved 'SMT2' (SMT-LIB-2-based SMT module) into Isabelle