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Proof step 13 from proof dec-int-01 (previous step)

2 * i→n(i) = m + 1, i < 0 ⊦ m % 2 = 0, i = 0, ~ n→i((m + 1) / 2) = i

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 14:
2 * i→n(i) = m + 1, i < 0 ⊦ m % 2 = 0, n→i((m + 1) / 2) + i = 0, i = 0

Rule argument

Additional information

Used simplifier rules: ⊦ ~ i = j ↔ i + j = 0; (s)