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Proof step 44 from proof sis-on-bits (previous step)

¬(~32768 ≤ bits2int(lastn(16, int2bits(i))) ∧ bits2int(lastn(16, int2bits(i))) ≤ 32767), 16 ≤ # int2bits(i) ⊦ s2i(i2s(bits2int(lastn(16, int2bits(i))))) = bits2int(lastn(16, int2bits(i))), ¬ i < ~32768 ∧ ¬ 32767 < i

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ i ≤ j ↔ j < i;