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Proof step 5 from proof short-law-leftshift (previous step)

⊦ i2s(cast(16, i i<< j)) = i2s(cast(16, i) i<< j)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 6:
⊦ i2s(i) = i2s(cast(16, i))
Proof step 7:
⊦ i2s(cast(16, i i<< j)) = i2s(cast(16, cast(16, i) i<< j))

Rule argument

name: short-is-cast-01 rotate: F subst: [i] → [cast(16, i) i<< j]

Additional information

Used terms: cast(16, i) i<< j