2015-02-22 17:39:27 +00:00
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open is_trunc
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2015-02-07 00:14:03 +00:00
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--structure is_contr [class] (A : Type) : Type
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context
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parameters {P : Π(A : Type), A → Type}
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definition my_contr {A : Type} [H : is_contr A] (a : A) : P A a := sorry
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definition foo2
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(A : Type)
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(B : A → Type)
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(a : A)
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(x : B a)
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(H : Π (a : A), is_contr (B a)) --(H : is_contr (B a))
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: P (B a) x :=
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by apply my_contr
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end
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