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Proof step 19 from proof sis-neg-high (previous step)

i0 < 0 ⊦ i0 = 0, s2i(i2s(bits2int(lastn(16, int2bits(2 ^ 16 * i0))))) = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

seq: 0 ≤ i, j ≠ 0 ⊦ int2bits(j * 2 ^ i) = int2bits(j) + mklist(false, i→n(i)) subst: [j, i] → [i0, 16] rotate: F spec: int2bits inst: name: int2bits-2pot-04

Additional information

Used simplifier rules: ⊦ i * j = j * i; Used terms: i0, 16