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Proof step 2 from proof intshiftrsign-abs-le (previous step)

abs(i) < abs(i i>> j) ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ i i>> j = i i>> band(j, 31)
Proof step 4:
abs(i) < abs(i i>> band(j, 31)) ⊦

Rule argument

name: intshiftrsign-band31 rotate: F subst: [j, i] → [j, i]

Additional information

Used terms: j, i