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Theorem productok-sharedr-not-tau

⊦ Πok(lext, rext, lren, rren) ∧ lren(la) = rren(ra) → (rext(ra) = None ↔ false)

Type: A user defined theorem
Validity: The proof is valid.
Features: as,
Comment:
Used by:
Used by units in proved state: product-refine,
Proof exists?: Yes

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Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 4
Used lemmas: sharingok-def, productok-def,
Used spec theorems:
- Used simplifier rules: