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Proof step 3 from proof num-i2s-pos (previous step)

0 < i, 32767 < i ⊦ i2s(i) = i2s(bits2int(lastn(16, int2bits(i))))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

name: int2short-out rotate: F subst: [i] → [i]

Additional information

Used simplifier rules: inshort: ⊦ i ∈short ↔ ~32768 ≤ i ∧ i ≤ 32767;% ⊦ i < j → (¬ ¬ j ≤ i ↔ false); Used terms: i