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Proof step 1 from proof q (conclusion)

n ≠ 0, n ≠ 1 ⊦ ∃ m. m +1 +1 = n

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ n = 1, n = 0, ∃ m. m +1 +1 = n

Rule argument

Additional information