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Proof step 9 from proof long-is-cast (
previous step
)
¬ i ∈long ⊦ l2i(i2l(bits2int(lastn(64, int2bits(i))))) = cast(64, i)
Heuristic simplifier applied rule simplifier
And obtained the following new goals
Proof step 10
:
⊦ l2i(i2l(bits2int(lastn(64, int2bits(i))))) = cast(64, i), i ∈long
Rule argument
Additional information