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Proof step 15 from proof max-concat (previous step)

x = [], ∀ x0, y0. # x0 + # y0 < # (i + i0 + x) + # y → (true → x0 = [] ∨ y0 = [] ∨ max(x0 + y0) = max(max(x0), max(y0))) ⊦ y = [], max(max(i, i0), max(min(i, i0) ' + x + y)) = max(max(max(i, i0), max(min(i, i0) ' + x)), max(y))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
⊦ max(i ') = i
Proof step 14:
∀ x0, y0. # x0 + # y0 < # (i + i0 + []) + # y → (true → x0 = [] ∨ y0 = [] ∨ max(x0 + y0) = max(max(x0), max(y0))) ⊦ y = [], max(max(min(i, i0) ' + y), max(i, i0)) = max(max(y), max(min(i, i0), max(i, i0)))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ x + [] = x], [CSIMPSEQ : ⊦ (x + y) + z = x + y + z], [CSIMPSEQ : ⊦ [] + x = x])]]