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Proof step 1 from proof band-zero (conclusion)

⊦ band(0, i) = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ band(i, j) = bits2int(bitsand(int2bits(i), int2bits(j)))
Proof step 3:
⊦ bits2int(bitsand(int2bits(0), int2bits(i))) = 0

Rule argument

name: band-def rotate: F subst: [j, i] → [i, 0]

Additional information

Used terms: i, 0