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Proof step 11 from proof byte-law-leftshift (previous step)

⊦ i2b(cast(8, i i<< j)) = i2b(cast(8, cast(8, i) i<< j))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

seq: 0 < i ⊦ cast(i, j i<< j0) = cast(i, cast(i, j) i<< j0) subst: [j0, j, i] → [j, i, 8] rotate: F spec: intops inst: name: cast-law-leftshift

Additional information

Used terms: j, i, 8