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Proof step 2 from proof longshiftzero-not-neg (previous step)

0 ≤ i, i l>>> j < 0 ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ j l>>> i = >>>(64, j, band(i, 63))
Proof step 4:
0 ≤ i, >>>(64, i, band(j, 63)) < 0 ⊦

Rule argument

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

Additional information

Used terms: j, i