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-rw-r--r--backend/CSE3proof.v6
1 files changed, 0 insertions, 6 deletions
diff --git a/backend/CSE3proof.v b/backend/CSE3proof.v
index 6e489066..3fbc9912 100644
--- a/backend/CSE3proof.v
+++ b/backend/CSE3proof.v
@@ -443,12 +443,6 @@ Ltac IND_STEP :=
idtac mpc mpc' fn minstr *)
end.
-Lemma if_same : forall {T : Type} (b : bool) (x : T),
- (if b then x else x) = x.
-Proof.
- destruct b; trivial.
-Qed.
-
Lemma step_simulation:
forall S1 t S2, RTL.step ge S1 t S2 ->
forall S1', match_states S1 S1' ->