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@mbrcknl
Created January 11, 2015 23:53
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Lemma list_narrow_ind:
forall
(X: Type)
(P: list X -> Prop)
(H: P [])
(J: forall x, P [x])
(K: forall x ys z, P ys -> P (x :: ys ++ [z]))
(l: list X),
P l.
Proof.
admit.
Qed.
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