Summary
- Eliminated two unnecessary inductions
- NEWS
- added lemma image_mset_filter_mset_swap
- merged
- added lemmas filter_mset_cong{0,}
The file was modified | src/HOL/Groups_Big.thy (diff) |
The file was modified | NEWS (diff) |
The file was modified | src/HOL/Library/Multiset.thy (diff) |
The file was modified | src/HOL/Library/Multiset.thy (diff) |