4 commits

Author	SHA1	Message	Date
hi	dff5b9f365	cabal ... only doing this because Data.Set is not in the stdlib	2025-08-15 13:10:36 +00:00
hi	88c140fed5	tidy: del unused Eq, add custom Show	2025-08-12 13:29:08 +00:00
hi	aeb441e06d	language derivations: add hypotheses, L example	2025-08-10 16:09:10 +00:00
hi	8a85dcfc8f	formal language derivations	2025-08-10 15:56:13 +00:00