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Adapt to Coq PR #18591: better refolding of addn induces now useless addnE #57

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Adapt to Coq PR #18591: better refolding of addn induces now useless addnE #57

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2 changes: 1 addition & 1 deletion theories/initctree.v
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,7 @@ Lemma ctree_add_dyck_leaf_of m n d :
Proof.
elim: n m d => [|n IHn] m /=; first by rewrite addn0 gen_dyck_all_close.
elim: m => [|m IHm] d; rewrite doubleS /=; first by rewrite addn0 IHn.
by rewrite IHm IHn doubleS addnA -addnE !addnS.
by rewrite IHm IHn doubleS addnA -?addnE !addnS.
Qed.

Lemma ctree_leaf_table_size h : size (ctree_leaf_table h) = h.+1.
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