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-rw-r--r--hott/Identity.thy2
1 files changed, 1 insertions, 1 deletions
diff --git a/hott/Identity.thy b/hott/Identity.thy
index 0531b74..9ae0894 100644
--- a/hott/Identity.thy
+++ b/hott/Identity.thy
@@ -244,7 +244,7 @@ Lemma (def) ap_funcomp:
"p: x = y"
shows "(g \<circ> f)[p] = g[f[p]]"
apply (eq p)
- \<^item> by compute
+ \<^item> by (subst comp; typechk?)+
\<^item> by compute refl
done