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Restate univalence
author
Anders
<mortberg@chalmers.se>
Thu, 18 Jun 2015 16:57:12 +0000
(18:57 +0200)
committer
Anders
<mortberg@chalmers.se>
Thu, 18 Jun 2015 16:57:12 +0000
(18:57 +0200)
examples/univalence.ctt
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diff --git
a/examples/univalence.ctt
b/examples/univalence.ctt
index 6512d288ef7b32fc38dc59e91310ea34f5e2830b..1d4af7d2486829a3a3013a81b2af8f69feb751a2 100644
(file)
--- a/
examples/univalence.ctt
+++ b/
examples/univalence.ctt
@@
-39,9
+39,9
@@
idToId (A B : U) (w : equiv A B)
(transEquiv A B (transEquivToId A B w)) w
(transIdFun A B w)
-univ
Ax (A B : U) : isEquiv (Id U A B) (equiv A B) (transE
quiv A B) =
-
gradLemma (Id U A B) (equiv A B) (transEquiv A B) (transEquivToId
A B)
-
(idToId A B) (eqToEq A B
)
+univ
alence (A B : U) : equiv (Id U A B) (e
quiv A B) =
+
(transEquiv A B,gradLemma (Id U A B) (equiv A B) (transEquiv
A B)
+
(transEquivToId A B) (idToId A B) (eqToEq A B)
)
-- Alternative definition: