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Proof step 2 from proof notequal-01 (previous step)

~32768 ≤ i, i ≤ 32767, ~32768 ≤ j, j ≤ 32767, i ≠ j ⊦ i2s(i) ≠ i2s(j)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
i2s(i) = i2s(j), ~32768 ≤ i, i ≤ 32767, ~32768 ≤ j, j ≤ 32767 ⊦ i = j

Rule argument

Additional information

Used simplifier rules: ⊦ j ≤ j0 ∧ j0 ≤ j1 → j ≤ j1; (forward)