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Proof step 5 from proof sorted-merge (previous step)

n1 + 1 < m, n0 < m, A[n1 + 1] < A[n1], n1 + 1 < m0, n0 < # A, n1 + 1 < # A, n1 < n0, n < n0, n1 < m, n1 < # A, n < m, n < # A, n + 1 < m, n + 1 < # A, m0 ≤ # A, m ≤ # A, n ≤ n1, ∀ n1. n0 ≤ n1 ∧ n1 + 1 < m0 → ¬ A[n1 + 1] < A[n1], ∀ n1. n ≤ n1 ∧ n1 + 1 < m → ¬ A[n1 + 1] < A[n1] ⊦

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

pos: left 19 terms: n1

Additional information

Used terms: n1