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Proof step 37 from proof in-mkbag-del-two (previous step)

count(A[n], mkbag(A, i)) - 0 = 0, A[m] = A[n], count(A[n], mkbag(A, i)) = 0, n0 < # A, n < # A, m < # A, n0 < i, n < i, m < i, i ≤ # A ⊦ A[n] = A[n0], n = m

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 38:
A[m] = A[n], count(A[n], mkbag(A, i)) = 0, m < i, n < i, n0 < i, m < # A, n < # A, n0 < # A, i ≤ # A ⊦ A[n] = A[n0], n = m

Rule argument

Additional information

Used simplifier rules: ⊦ m - 0 = m; (s)