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-rw-r--r--xor/xor_epsilon.vnnlib5
1 files changed, 4 insertions, 1 deletions
diff --git a/xor/xor_epsilon.vnnlib b/xor/xor_epsilon.vnnlib
index d4e9bb7..427243e 100644
--- a/xor/xor_epsilon.vnnlib
+++ b/xor/xor_epsilon.vnnlib
@@ -1,9 +1,12 @@
+; Epsilon Equivalence for XOR
+
+; Constant declaration
(declare-const X_0 Real)
(declare-const X_1 Real)
(declare-const Y_0 Real)
(declare-const Y_1 Real)
-; Discrete inputs: X must be 0 or 1
+; Bounded inputs: X must be 0 or 1
(assert (or (= X_0 0) (= X_0 1)))
(assert (or (= X_1 0) (= X_1 1)))