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Proof step 42 from proof int2bytes-rec255-neg (previous step)

1 = # bytes, int2bytes(i % 256) = by ' + bytes, i < ~128, i < 0 ⊦ bytes = (by ' + bytes).last '

Heuristic weak cut applied rule cut formula

And obtained the following new goals

Proof step 43:
1 = # bytes, int2bytes(i % 256) = by ' + bytes, i < ~128, i < 0 ⊦ bytes = [], bytes = (by ' + bytes).last '

Rule argument

fma: bytes = []

Additional information

Used simplifier rules: ⊦ # [] = 0; Used formulas: bytes = []