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Proof step 22 from proof band-65535-pos (previous step)

2 * 8 < # bytes * 8, 2 * 8 + 1 < # bytes * 8, 0 < bytes2int(bytes), # bytes ≤ 2 ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 23:
⊦ m * n = n * m
Proof step 24:
8 * 2 < # bytes * 8, 8 * 2 + 1 < # bytes * 8, 0 < bytes2int(bytes), # bytes ≤ 2 ⊦

Rule argument

seq: ⊦ m * n = n * m subst: [n, m] → [8, 2] rotate: F spec: nat-mult inst: name: mult-c

Additional information

Used terms: 8, 2