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Proof step 61 from proof intshiftrsign-rec-pos (previous step)

mklist(false, i→n(i0)) + int2bits(i / 2) ≠ [], # int2bits(i / 2) = 1, i0 < 31, 0 ≤ i, 0 ≤ i0, 1 < i, 0 < i, (mklist(false, i→n(i0)) + int2bits(i / 2)).first ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 62:
# int2bits(i / 2) = 1, (mklist(false, i→n(i0)) + int2bits(i / 2)).first, 0 < i, 1 < i, 0 ≤ i0, 0 ≤ i, i0 < 31 ⊦ mklist(false, i→n(i0)) + int2bits(i / 2) = []

Proof step 61 from proof intshiftrsign-rec-pos (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information