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Proof step 2 from proof longshiftzero-def-pos (previous step)

0 ≤ i ⊦ i l>>> j = i >> band(j, 63)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ 0 ≤ i → i l>>> j = i l>> j
Proof step 4:
0 ≤ i, 0 ≤ i ⊦ i l>> j = i >> band(j, 63)

Rule argument

name: longshiftzero-pos rotate: F subst: [j, i] → [j, i]

Additional information

Used terms: j, i