Changeset 1266 for src/utilities/sigma.ma
 Timestamp:
 Sep 26, 2011, 12:09:45 PM (9 years ago)
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src/utilities/sigma.ma
r1260 r1266 6 6 coercion pi1: ∀A.∀P:A → Prop.∀p:(Σx:A. P x).A ≝ pi1 on _p:Σx:?.? to ?. 7 7 8 definition pi2: ∀A.∀P:A → Prop. ∀x:Σx:A. P x. P x ≝ 9 λA,P,c. match c return λx:Σx:A. P x. P x with [ dp _ p ⇒ p ]. 10
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