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Proof step 3 from proof num-issi (previous step)

~32768 ≤ i, i ≤ 32767 ⊦ s2i(i2s(i)) = i

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 4:
⊦ i ∈short → s2i(i2s(i)) = i

Rule argument

name: sis-in rotate: F subst: [i] → [i]

Additional information

Used simplifier rules: inshort: ⊦ i ∈short ↔ ~32768 ≤ i ∧ i ≤ 32767;%j0 ≠ 0, j ≤ j0 ⊦ i ≤ (* j) → i ≤ (* j0); Used terms: i