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Proof step 1 from proof max-com-01 (conclusion)

⊦ ¬ max(x + x0) < max(x0 + x)

User applied rule insert lemma

And obtained the following new goals

Proof step 2:
⊦ x + x0 ≠ [] → (¬ max(x + x0) ≠ max(x0 + x) ↔ true)
Proof step 3:
x + x0 ≠ [] → (¬ max(x + x0) ≠ max(x0 + x) ↔ true) ⊦ ¬ max(x + x0) < max(x0 + x)

Rule argument

spec: inst: name: max-com seq: ⊦ x + x0 ≠ [] → (¬ max(x + x0) ≠ max(x0 + x) ↔ true) subst: [x, x0] → [x, x0] flags: current, []

Additional information

Used terms: x, x0