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Theorem max-perm-ls

⊦ max(ints) < max(ints0) ∧ ints0 ≠ [] → ¬ perm(ints, ints1 + ints0)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state: int-fac,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: max-app-ls, max-perm,
Used spec theorems:
- Used simplifier rules:
  - oelem/intlista/lel
  - list/intlista/a