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-rw-r--r--backend/CSE2proof.v5
1 files changed, 0 insertions, 5 deletions
diff --git a/backend/CSE2proof.v b/backend/CSE2proof.v
index 3799e38b..4d503f90 100644
--- a/backend/CSE2proof.v
+++ b/backend/CSE2proof.v
@@ -204,11 +204,6 @@ Proof.
Qed.
Local Hint Resolve kill_sym_val_referenced : wellformed.
-Lemma in_or_not:
- forall (x : reg) l,
- (In x l) \/ ~(In x l).
-Admitted.
-
Lemma remove_from_sets_notin:
forall dst l sets j,
not (In j l) ->