⊦ mklist(a, n) = a ' + mklist(a, n - 1), n = 0
Used simplifier rules: mk-last: ⊦ mklist(a, n) + a ' = a ' + mklist(a, n);%a: ⊦ (x + y) + z = x + y + z; from specification list% ⊦ n -1 = n - 1; (s)