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Theorem less-append

⊦ x < a ' + y ↔ x = y ∨ x < y

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: c,
Used spec theorems:
- Used simplifier rules:
  - list-data/less-02