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Proof step 4 from proof rightshift-zero (previous step)

i0 >> 0 = i0 ⊦ i0 +1 >> 0 = i0 +1

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
⊦ i >> j = bits2int(sublist(0, # int2bits(i), mklist(int2bits(i).first, i→n(j)) + int2bits(i)))
Proof step 6:
bits2int(sublist(0, # int2bits(i0), mklist(int2bits(i0).first, i→n(0)) + int2bits(i0))) = i0 ⊦ i0 +1 >> 0 = i0 +1

Rule argument

name: shiftrsign-01 rotate: F subst: [j, i] → [0, i0]

Additional information

Used terms: 0, i0