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Proof step 2 from proof intrightshift-8 (previous step)

⊦ i i>> 8 = bytes2int(int2bytes(i).butlast), # int2bytes(i) = 1

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ j i>> i = j >> band(i, 31)
Proof step 4:
⊦ i >> band(8, 31) = bytes2int(int2bytes(i).butlast), # int2bytes(i) = 1

Rule argument

seq: ⊦ j i>> i = j >> band(i, 31) subst: [i, j] → [8, i] rotate: F spec: intops inst: name: intshiftright-def-unbounded

Additional information

Used terms: 8, i