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author | Josh Chen | 2020-05-25 16:27:37 +0200 |
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committer | Josh Chen | 2020-05-25 16:27:37 +0200 |
commit | 2f63e165d696688f0fcc721289889a8baa00cc02 (patch) | |
tree | 065e93b955c587a407b41c78c33da1347a077b47 /spartan/theories/Identity.thy | |
parent | 5e18f1964efca8e73c3bda1967803b6b85feb27c (diff) |
slightly nicer homotopy proofs with calculations
Diffstat (limited to 'spartan/theories/Identity.thy')
-rw-r--r-- | spartan/theories/Identity.thy | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/spartan/theories/Identity.thy b/spartan/theories/Identity.thy index 01bea46..3a982f6 100644 --- a/spartan/theories/Identity.thy +++ b/spartan/theories/Identity.thy @@ -41,7 +41,8 @@ axiomatization where lemmas [intros] = IdF IdI and [elims "?p" "?a" "?b"] = IdE and - [comps] = Id_comp + [comps] = Id_comp and + [refl] = IdI section \<open>Path induction\<close> |