11 commits

Author	SHA1	Message	Date
rhiannon morris	81783dbae0	fix typechecker loop when coercing boxes ... closes #38	2024-02-10 10:07:06 +01:00
rhiannon morris	03c197bd04	add local bindings to context ... - without this, inside the body of `let x = e in …`, the typechecker would forget that `x = e` - now bound variables can reduce, if they have a definition, so RedexTest needs to take the context too	2023-12-07 01:43:39 +01:00
rhiannon morris	fa7f82ae5a	rename Nat to NAT in AST	2023-11-03 18:05:54 +01:00
rhiannon morris	e0ed37720f	always vsep scheme lets, otherwise they are unreadable	2023-11-03 18:05:54 +01:00
rhiannon morris	0c1df54d62	improve handling of context lengths	2023-11-03 18:05:54 +01:00
rhiannon morris	bb8d2464af	add fst and snd	2023-09-18 21:53:38 +02:00
rhiannon morris	e6c06a5c81	pass the subject quantity through equality etc ... in preparation for non-linear η laws	2023-09-18 21:53:38 +02:00
rhiannon morris	8221d71416	some refactors	2023-09-17 14:41:20 +02:00
rhiannon morris	d5d30ee198	loosen pushCoe's type slightly	2023-08-28 20:03:06 +02:00
rhiannon morris	22db2724ce	make coercion computation type-directed like it should be	2023-08-26 21:00:19 +02:00
rhiannon morris	8264a1bb81	split up whnf module	2023-08-24 18:42:26 +02:00