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Theorem insperm-01

⊦ perm(ins≤(a, x), ins≤(a, y)) ↔ perm(x, y)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 8
Used lemmas: insperm,
Used spec theorems:
- list-perm/cons
- list-perm/trans
Used simplifier rules: