Leonardo de Moura
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abe129aa4f
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refactor(library): rename theorems "iff.flip_sign -> not_iff_not_of_iff" and "decidable_iff_equiv -> decidable_of_decidable_of_iff"
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2014-12-15 19:17:51 -08:00 |
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Leonardo de Moura
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697d4359e3
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refactor(library): add 'init' folder
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2014-11-30 20:34:12 -08:00 |
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Leonardo de Moura
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ae0daf9639
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fix(library/data/prod/decl): give preference to unicode version when pretty printing
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2014-11-28 23:02:19 -08:00 |
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Jeremy Avigad
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89380f088e
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feat(library): reorganize and declare some notation
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2014-11-28 22:54:15 -08:00 |
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Floris van Doorn
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7bfbe039d9
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refactor(data.prod): move theorems about products from data.quotient.util to data.prod.thms
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2014-11-22 17:44:12 -08:00 |
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Leonardo de Moura
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e77cd59368
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refactor(library/logic): add basic definitions for relations at logic/relation.lean
We need them for wf and definitional package
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2014-11-18 17:32:22 -08:00 |
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Leonardo de Moura
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3cd3da5a84
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refactor(library/data/prod/wf): remove duplication, and import wf's for sigma and prod
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2014-11-16 21:19:10 -08:00 |
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Leonardo de Moura
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de209f929e
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feat(library/data/prod/wf): define relational product and prove wf theorem for it
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2014-11-16 17:47:07 -08:00 |
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Leonardo de Moura
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21b93bd2e5
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chore(library/data/prod/wf): remove dependency on opaque theorem
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2014-11-11 00:39:53 -08:00 |
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Leonardo de Moura
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54213b48dc
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feat(library/data/prod/wf): lex of well-founded relations is well-founded
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2014-11-11 00:29:21 -08:00 |
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Leonardo de Moura
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46149d0d50
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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.
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2014-11-08 10:19:29 -08:00 |
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