RequireImport TestSuite.admit. (* File reduced by coq-bug-finder from original input, then from 3154 lines to 149 lines, then from 89 lines to 55 lines, then from 44 lines to 20 lines *) Set Primitive Projections. GeneralizableAllVariables. Axiom IsHSet : Type -> Type.
Existing Class IsHSet.
Record PreCategory := { object :> Type }. Notation IsStrictCategory C := (IsHSet (object C)).
#[export] Instance trunc_prod `{IsHSet A} `{IsHSet B} : IsHSet (A * B) | 100.
admit. Defined.
Typeclasses Transparent object. Definition prod (C D : PreCategory) : PreCategory := Build_PreCategory (Datatypes.prod C D). GlobalInstance isstrict_category_product `{IsStrictCategory C, IsStrictCategory D} : IsStrictCategory (prod C D). Proof.
typeclasses eauto. Defined.
Set Typeclasses Debug. (* File reduced by coq-bug-finder from original input, then from 7425 lines to 154 lines, then from 116 lines to 20 lines *) Class Contr (A : Type) := { center : A }.
#[export] Instance contr_unit : Contr unit | 0 := {| center := tt |}. Module non_prim. Unset Primitive Projections.
Record PreCategory := { object :> Type }. Lemma foo : Contr (object (@Build_PreCategory unit)). Proof.
solve [ simpl; typeclasses eauto ] || fail "goal not solved".
Undo.
solve [ typeclasses eauto ]. Defined. End non_prim.
Module prim. Set Primitive Projections.
Record PreCategory := { object :> Type }. Lemma foo : Contr (object (@Build_PreCategory unit)). Proof.
solve [ simpl; typeclasses eauto ] || fail "goal not solved".
Undo.
solve [ typeclasses eauto ]. (* Error: No applicable tactic. *) Defined. End prim.
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