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Proof step 10 from proof long-is-cast (previous step)

⊦ l2i(i2l(bits2int(lastn(64, int2bits(i))))) = cast(64, i), i ∈long

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

seq: ⊦ n < # int2bits(i) → bits2int(lastn(n, int2bits(i))) = cast(n→i(n), i) subst: [i, n] → [i, 64] rotate: F spec: intops inst: name: bits2int-is-cast

Additional information

Used terms: i, 64