| x1 = i1 + x, i < min(i0 ' + x1), ∀ x0, i. # x0 < # (i0 + x1) → (i ∈ x0 ∧ i < min(x0) → false) ⊦ i ≠ i0 ∧ ¬ i ∈ x1 |
⊦ min(i ' + j ' + x) = min(min(i, j), min(max(i, j) ' + x))
i < min(min(i0, i1), min(max(i0, i1) ' + x)), i ∈ x, ∀ x0, i. # x0 < # (i0 + i1 + x) → (i ∈ x0 ∧ i < min(x0) → false) ⊦ i = i1, i = i0
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ min(i, j) = min(j, i)], [CSIMPSEQ : ⊦ min(i, min(j, j0)) = min(min(i, j), j0)], [CSIMPSEQ : ⊦ ¬ i < min(i, j)], [CSIMPSEQ : ⊦ d ∈ d0 ' ↔ d = d0], [CSIMPSEQ : ⊦ d ∈ x + y ↔ ¬ ¬ (d ∈ x ∨ d ∈ y)], [CSIMPSEQ : ⊦ (x + y) + z = x + y + z], [CSIMPSEQ : ⊦ d + x = d ' + x])]]