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Proof step 5 from proof at-copy (previous step)

m0 < # ar1 ⊦ ar1[m0] = (m0 < n0 ∨ n0 ≤ m0 ⊃ ar1[m0];ar0[m0 + n - n0])

Heuristic nonsplitting cut applied rule cut formula

And closed the goal!

Rule argument

fma: m0 < n0

Additional information

Used simplifier rules: ⊦ m < n ↔ ¬ n ≤ m; (ss) Used formulas: m0 < n0