⊦ min(n, m) = (n < m ⊃ n;m)
⊦ (n0 < n1 ⊃ n0;n1) = (n1 < n0 ⊃ n1;n0)
Used simplifier rules: min: ⊦ min(n, m) = (n < m ⊃ n;m);