3 Commits

Author	SHA1	Message	Date
Niels	efec2e88f8	Added old proofs in new style (missing: Z' is hset)	2017-08-04 20:42:05 +02:00
Niels	8cf115c9ab	Integers form initial ring.	2017-08-04 17:26:04 +02:00
Dan Frumin	a61265585b	Start proving that Mod2 is a semiring	2017-08-02 21:58:26 +02:00