diff options
Diffstat (limited to 'ProdProps.thy')
-rw-r--r-- | ProdProps.thy | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/ProdProps.thy b/ProdProps.thy index 7071b39..adadb29 100644 --- a/ProdProps.thy +++ b/ProdProps.thy @@ -21,7 +21,6 @@ text " lemma compose_assoc: assumes "A: U(i)" and "f: A \<rightarrow> B" "g: B \<rightarrow> C" "h: \<Prod>x:C. D(x)" shows "(h \<circ> g) \<circ> f \<equiv> h \<circ> (g \<circ> f)" - proof (subst (0 1 2 3) compose_def) show "\<^bold>\<lambda>x. (\<^bold>\<lambda>y. h`(g`y))`(f`x) \<equiv> \<^bold>\<lambda>x. h`((\<^bold>\<lambda>y. g`(f`y))`x)" proof (subst Prod_eq) |