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Proof step 5 from proof prove-ext (previous step)

A.cols = B.cols, A.rows = B.rows, n < B.cols, m < B.rows, ∀ m, n. m < B.rows ∧ n < B.cols → A[m, n] = B[m, n] ⊦ B.cols = 0, B.rows = 0, A[m, n] = B[m, n]

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

pos: left 5 terms: m, n

Additional information

Used terms: m, n