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Theorem At-same

⊦ lookup(a, insert(a, d, st)) = d

Type: A proof obligation
Validity: The proof is valid.
Features:
Comment: |- st[a, d][a] = d
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas:
Used spec theorems:
- store/At-same
Used simplifier rules:
- lookup/insert-def
- lookup/lookup-def