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Theorem ins-01

⊦ sort(ins≤(a, x) + y) = ins≤(a, sort(x + y))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 5
Used lemmas: rec,
Used spec theorems:
- olist/ins-y
Used simplifier rules:
- olist/ins-e
- list/Nil
- olist/eq
- list/a
- list/c
- olist/ins-n
- olist/ins2