Changeset 1266


Ignore:
Timestamp:
Sep 26, 2011, 12:09:45 PM (8 years ago)
Author:
sacerdot
Message:

Added second projection.

File:
1 edited

Legend:

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  • src/utilities/sigma.ma

    r1260 r1266  
    66coercion pi1: ∀A.∀P:A → Prop.∀p:(Σx:A. P x).A ≝ pi1 on _p:Σx:?.? to ?.
    77
     8definition 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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