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Proof step 33 from proof int2bytes-rec255-neg (previous step)

~256 = 0 - 256, i % 256 < ~256, i < 0, i < ~128, 2 < # int2bytes(i % 256), i % 256 < 0 ⊦ lastn(2, int2bytes(i % 256)).rest = int2bytes(i % 256).last ', 2 = # int2bytes(i % 256)

User applied rule insert equation

And obtained the following new goals

Proof step 34:
i % 256 < 0 - 256, i < 0, i < ~128, 2 < # int2bytes(i % 256), i % 256 < 0 ⊦ lastn(2, int2bytes(i % 256)).rest = int2bytes(i % 256).last ', 2 = # int2bytes(i % 256)

Rule argument

pos: left 1 flags: discard

Proof step 33 from proof int2bytes-rec255-neg (previous step)

User applied rule insert equation

And obtained the following new goals

Rule argument

Additional information