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Proof step 1 from proof bytes2int-le-zero (conclusion)

⊦ bytes2int(i2b(0) ' + bytes) ≤ 0 ↔ bytes2int(i2b(0) ' + bytes) = 0

User applied rule cut formula

And obtained the following new goals

Proof step 2:
⊦ bytes2int(i2b(0) ' + bytes) = 0, bytes2int(i2b(0) ' + bytes) ≤ 0 ↔ bytes2int(i2b(0) ' + bytes) = 0

Rule argument

fma: bytes2int(i2b(0) ' + bytes) = 0

Additional information

Used simplifier rules: ⊦ i ≠ j → (i ≤ j ↔ i < j);% ⊦ ¬ i ≤ j ↔ j < i;% ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward) Used formulas: bytes2int(i2b(0) ' + bytes) = 0