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Proof step 16 from proof shiftright-rec-pos (previous step)

0 ≤ i, 0 ≤ i0 ⊦ bits2int(firstn(# int2bits(i), (mklist(false, i→n(i0)) + false ') + int2bits(i))) = bits2int(firstn(# int2bits(i / 2), mklist(false, i→n(i0)) + int2bits(i / 2)))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

seq: ⊦ 1 < i → int2bits(i) = int2bits(i / 2) + (i % 2 = 1) subst: [i] → [i] rotate: F spec: int2bits inst: name: int2bits-rec-pos

Additional information

Used terms: i