Commit 6b4d42fe authored by Guillaume Melquiond's avatar Guillaume Melquiond
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FsetInduction.Induction is valid whatever p, so change it to a lemma.

parent 874b3cf0
......@@ -229,7 +229,7 @@ theory FsetInduction
predicate p (set t)
axiom Induction :
lemma Induction :
(forall s: set t. is_empty s -> p s) ->
(forall s: set t. p s -> forall t: t.
not (mem t s) -> p (add t s)) ->
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