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Proof step 10 from proof band-min-01 (previous step)

band(i, j) < i0, i0 + 2 ^ n→i(# int2bits(i)) ≤ 0, i0 + 2 ^ n→i(# int2bits(j)) ≤ 0, band(i, j) < 0, i < 0, j < 0 ⊦

User applied rule weakening

And obtained the following new goals

Proof step 11:
band(i, j) < i0, i0 + 2 ^ n→i(# int2bits(i)) ≤ 0, i0 + 2 ^ n→i(# int2bits(j)) ≤ 0, i < 0, j < 0 ⊦

Rule argument

poslist: left 4

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