| count(A[m], mkbag(A, i) -- A[n]) = 0, m < i, n < i, n0 < i, m < # A, n < # A, n0 < # A, i ≤ # A ⊦ A[m] = A[n0], A[m] = A[n], n = n0, n = m |
count(A[m], mkbag(A, i)) = 0, n0 < # A, n < # A, m < # A, n0 < i, n < i, m < i, i ≤ # A ⊦ A[m] = A[n], A[m] = A[n0], n = n0
Used simplifier rules: count-del-other: ⊦ a ≠ b → count(a, bag -- b) = count(a, bag);