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Theorem good-field-rew

⊦ goodfieldandtype(r, sk, st) ↔ ¬ ¬ (is_fskey(sk) ∧ r -- sk ∈ st ∧ okval(st[r -- sk], sk .fs .type))

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp,
Comment:
Used by: gft-null, gft-out, gft-put, gft-union, good-field-del, good-field-put, good-rec-01, goodfields-putba, mode-01, okarray-put,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: good-field-in, good-field-def,
Used spec theorems:
- Used simplifier rules:
  - storekey/test-02
  - storekey/test-01