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+// RUN: %dafny /compile:0 "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+predicate P(i:int) { true }
+
+lemma Tester()
+{
+// forall i ensures false ==> P(i) {}
+ forall i ensures P(i) <== false {}
+ assert forall i :: P(i) ==> false;
+ assert P(0);
+ assert false;
+}
+
+
+
+
+
+