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Theorem pathex-not-is-validref-02

⊦ ¬ is_valid_ref(str, r, st) ∧ r ≠ jvmref → ¬ path∃(str, r, r1, st)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 4
Used lemmas: validrefs-not, pathex-def,
Used spec theorems:
- Used simplifier rules:
  - list/references/c
  - list/references/e-01
  - list/references/a
  - list-data/references/elim-list-c