Commit febc4054 authored by Michael Sammler's avatar Michael Sammler
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parent e9cbc3cf
Pipeline #58114 passed with stage
in 16 minutes and 34 seconds
......@@ -222,6 +222,7 @@ Proof.
split => //; by apply nil_length_inv.
(* TODO: replace with upsteamed version *)
Lemma take_elem_of {A} (x : A) n l:
x take n l i, (i < n)%nat l !! i = Some x.
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