lean2/tests/lean/run/apply_class_issue.lean

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Text

import hott.trunc
open truncation
--structure is_contr [class] (A : Type) : Type
context
parameters {P : Π(A : Type), A → Prop}
definition my_contr {A : Type} [H : is_contr A] (a : A) : P A a := sorry
definition foo2
(A : Type)
(B : A → Type)
(a : A)
(x : B a)
(H : Π (a : A), is_contr (B a)) --(H : is_contr (B a))
: P (B a) x :=
by apply (@my_contr _ _)
end