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Proof step 2 from proof ushort-plus-01 (previous step)

i < 32767, us2i(sho) + i < 65536, 0 ≤ i ⊦ us2i(i2s(s2i(sho) + i)) = us2i(sho) + i

User applied rule insert lemma

And obtained the following new goals

Rule argument

name: ushort-plus subst: [sho, sho0] → [sho, i2s(i)]

Additional information

Used terms: sho, i2s(i)