5 commits

Author	SHA1	Message	Date
Yiyun Liu	80d8b13e49	Prove join univ pi contra	2024-12-25 21:11:58 -05:00
Yiyun Liu	cbe9941046	Need to tweak the definition of Prov	2024-12-24 15:31:50 -05:00
Yiyun Liu	46ec21b763	Add pi type	2024-12-24 01:09:02 -05:00
Yiyun Liu	ccbb9a1395	Simplify the syntax by combining proj1 and proj2	2024-12-22 10:38:58 -05:00
Yiyun Liu	145e316a4b	Initial commit	2024-12-11 23:52:57 -05:00