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Theorem perm-put-del1

⊦ n < # y → perm(y[n, a] -1l a, y -1l y[n])

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 7
Proof steps: 16
Used lemmas: ocs-put-01, ocs-put, ocs-put-02, in-05, oc-zero, notin, del1, del1-01, perm-all, sym-02,
Used spec theorems:
- Used simplifier rules: