wenzelm [Fri, 15 Oct 1993 12:49:33 +0100] rev 57
added parser.ML, install_pp.ML
lcp [Fri, 15 Oct 1993 10:25:23 +0100] rev 56
ZF/ex/tf/tree,forest_unfold: streamlined the proofs
Updated other inductive def examples as per changes in the package.
lcp [Fri, 15 Oct 1993 10:21:01 +0100] rev 55
ZF/ind-syntax/refl_thin: new
ZF/intr-elim: added Pair_neq_0, succ_neq_0, refl_thin to simplify case rules
ZF/sum/Inl_iff, etc.: tidied and proved using simp_tac
ZF/qpair/QInl_iff, etc.: tidied and proved using simp_tac
ZF/datatype,intr_elim: replaced the undirectional use of sum_univ RS subsetD
by dresolve_tac InlD,InrD and etac PartE
lcp [Fri, 15 Oct 1993 10:04:30 +0100] rev 54
classical/swap_res_tac: recoded to allow backtracking