| x1 = [], ∀ x0, y0. # x0 + # y0 < # (i + x1) + # y → (true → x0 = [] ∨ y0 = [] ∨ min(x0 + y0) = min(min(x0), min(y0))) ⊦ y = [], min((i ' + x1) + y) = min(min(y), min(i ' + x1)) |
⊦ min(i ') = i
∀ x0, y0. # x0 + # y0 < # (i + []) + # y → (true → x0 = [] ∨ y0 = [] ∨ min(x0 + y0) = min(min(x0), min(y0))) ⊦ y = [], min(i ' + y) = min(i, min(y))
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ x + [] = x], [CSIMPSEQ : ⊦ (x + y) + z = x + y + z], [CSIMPSEQ : ⊦ [] + x = x])]]