diff -r 99dfc9171f1e -r c1536da54f52 Admin/BUGS --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Admin/BUGS Mon Dec 08 13:56:49 1997 +0100 @@ -0,0 +1,11 @@ + +Isabelle BUGS -- history of reported faults +=========================================== + +1. Symptom: hyp_subst_tac does nothing if the selected equality involves type + unknowns. Cause: it uses the simplifier, which ignores such equalities. + Fix: check for type unknowns in hypsubst/inspect_pair; change interface + function dest_eq to return the type of the equality. (lcp, 5/11/97) + +2. Symptom: read_instantiate_sg has problems instantiating types in some + simultaneous instantiations (Message-id: <199710301432.PAA20594@sirius.Informatik.Uni-Bremen.DE> on isabelle-users)