Commit graph

7 commits

Author SHA1 Message Date
Floris van Doorn
7bfbe039d9 refactor(data.prod): move theorems about products from data.quotient.util to data.prod.thms 2014-11-22 17:44:12 -08:00
Leonardo de Moura
e77cd59368 refactor(library/logic): add basic definitions for relations at logic/relation.lean
We need them for wf and definitional package
2014-11-18 17:32:22 -08:00
Leonardo de Moura
3cd3da5a84 refactor(library/data/prod/wf): remove duplication, and import wf's for sigma and prod 2014-11-16 21:19:10 -08:00
Leonardo de Moura
de209f929e feat(library/data/prod/wf): define relational product and prove wf theorem for it 2014-11-16 17:47:07 -08:00
Leonardo de Moura
21b93bd2e5 chore(library/data/prod/wf): remove dependency on opaque theorem 2014-11-11 00:39:53 -08:00
Leonardo de Moura
54213b48dc feat(library/data/prod/wf): lex of well-founded relations is well-founded 2014-11-11 00:29:21 -08:00
Leonardo de Moura
46149d0d50 refactor(library/data/prod): break into pieces to reduce dependencies
prod is needed for some automatically generated constructions.
So, it is important it is loaded in the environment as early as possible.
2014-11-08 10:19:29 -08:00