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-rw-r--r--AvlVerification/Insert.lean2
1 files changed, 1 insertions, 1 deletions
diff --git a/AvlVerification/Insert.lean b/AvlVerification/Insert.lean
index 16e740f..f5b7958 100644
--- a/AvlVerification/Insert.lean
+++ b/AvlVerification/Insert.lean
@@ -134,7 +134,7 @@ lemma AVLTreeSet.insert_loop_spec_global
{
simp; split_conjs
. tauto
- . simp [Ospec.equality _ _ Hordering]
+ . simp [Ospec.equivalence _ _ Hordering]
}
{
have ⟨ added₂, left₂, ⟨ H_result, ⟨ H_bst, H_set ⟩ ⟩ ⟩ := AVLTreeSet.insert_loop_spec_global a left (BST.left Hbst)