Changes from Mercurial (hg http://isabelle.in.tum.de/repos/isabelle/ default)
Summary
- stated goals of some lemmas explicitely to prevent silent changes
- rewrite proofs using to_pred attribute on existing lemmas
The file was modified | src/HOL/Library/Multiset.thy |
The file was modified | src/HOL/Relation.thy |
The file was modified | src/HOL/Wellfounded.thy |