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Proof step 2 from proof divide-by-10 (previous step)

i ≤ 65536, 0 ≤ i ⊦ i * 52429 i>>> 19 = i / 10

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ j i>>> i = >>>(32, j, band(i, 31))
Proof step 4:
i ≤ 65536, 0 ≤ i ⊦ >>>(32, i * 52429, band(19, 31)) = i / 10

Rule argument

spec: inst: name: intshiftzero-def-unbounded seq: ⊦ j i>>> i = >>>(32, j, band(i, 31)) subst: [i, j] → [19, i * 52429] flags: rewrite, current

Additional information

Used terms: 19, i * 52429