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Proof step 25 from proof count-mkbag-greater-one (previous step)

A[n] = A[m], count(A[m], mkbag(A, i0)) = 1, n < # A, m < # A, i0 < # A, n ≤ i0, m ≤ i0, 2 ≤ # A ⊦ A[m] = A[i0], m = n, m < i0 ∧ n < i0

Heuristic nonsplitting cut applied rule cut formula

And closed the goal!

Rule argument

fma: m < i0

Additional information

Used simplifier rules: ⊦ m < n ↔ ¬ n ≤ m; (ss)% ⊦ m ≤ n → (n ≤ m ↔ m = n); (s)% ⊦ m < n → m ≤ n; (s) Used formulas: m < i0