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Theorem c

⊦ perm(x, y + z) → perm(x0 + x, y + x0 + z)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 6
Used lemmas: oc-zero, ocappend, msubset, perm-def,
Used spec theorems:
- Used simplifier rules:
  - nat-basic2/c
  - nat-basic2/a
  - nat/lep-02
  - list/a
  - nat-basic1/f
  - nat/lels-01
  - nat/le-ls-simp