| x3 + a0 ' + x = [] ∨ min(x3 + a0 ' + x) = min((a0 ' + x) + x3), min(x + a ' + x3) = min((a ' + x3) + x), a < min(x3 + a0 ' + x), ∀ x1, x2. #(x1 + x2) < #((a + x3) + (a0 + x)) → true → x1 + x2 = [] ∨ min(x1 + x2) = min(x2 + x1) ⊦ a = min((a ' + x3) + x), a0 < min((a ' + x3) + x) |
min(x + a ' + x3) = min((a ' + x3) + x), min(x3 + a0 ' + x) = min((a0 ' + x) + x3), a < min((a0 ' + x) + x3), ∀ x1, x2. #(x1 + x2) < #((a + x3) + (a0 + x)) → true → x1 + x2 = [] ∨ min(x1 + x2) = min(x2 + x1) ⊦ a = min((a ' + x3) + x), a0 < min((a ' + x3) + x)
Used simplifier rules: a: ⊦ (x + y) + z = x + y + z; from specification list%e-03: ⊦ x + a ' + y ≠ []; from specification list