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Proof step 18 from proof shiftright-rec-pos (previous step)

¬ 1 < i, 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)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward)% ⊦ ¬ i < j ↔ j ≤ i;