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Theorem reffield-del

⊦ r0 ≠ r → (has_reffield(r0, st -- r) ↔ has_reffield(r0, st))

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: 15
Proof steps: 29
Used lemmas: has_reffield-array, isobj-del-03, has_reffield-class, is-valid-ref, validref-del-01, has_reffield-no,
Used spec theorems:
- Used simplifier rules: