diff options
author | Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
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committer | Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
commit | a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 (patch) | |
tree | 26dd9c4aa142597ee09c887ef161d5f0fa5077b6 /test-suite/bugs/closed/4498.v | |
parent | 164c6861860e6b52818c031f901ffeff91fca16a (diff) |
Imported Upstream version 8.6upstream/8.6
Diffstat (limited to 'test-suite/bugs/closed/4498.v')
-rw-r--r-- | test-suite/bugs/closed/4498.v | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/4498.v b/test-suite/bugs/closed/4498.v new file mode 100644 index 00000000..ccdb2ddd --- /dev/null +++ b/test-suite/bugs/closed/4498.v @@ -0,0 +1,24 @@ +Require Export Coq.Unicode.Utf8. +Require Export Coq.Classes.Morphisms. +Require Export Coq.Relations.Relation_Definitions. + +Set Universe Polymorphism. + +Reserved Notation "a ~> b" (at level 90, right associativity). + +Class Category := { + ob : Type; + uhom := Type : Type; + hom : ob → ob → uhom where "a ~> b" := (hom a b); + compose : ∀ {A B C}, (B ~> C) → (A ~> B) → (A ~> C); + equiv : ∀ {A B}, relation (A ~> B); + is_equiv : ∀ {A B}, @Equivalence (A ~> B) equiv; + comp_respects : ∀ {A B C}, + Proper (@equiv B C ==> @equiv A B ==> @equiv A C) (@compose A B C); +}. + +Require Export Coq.Setoids.Setoid. + +Add Parametric Morphism `{C : Category} {A B C} : (@compose _ A B C) with + signature equiv ==> equiv ==> equiv as compose_mor. +Proof. apply comp_respects. Qed.
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