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Theorem isroot-def
⊦ isroot(g)(b) ↔ dom(g)(b) ∧ (∀ a. ¬ edge(g)(a, b))
Type: An axiom
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
weakfin-startfin-IObackward-INV-is-leqrefine
,
IOrefine-conds-imply-IOrefine
,
Proof exists?: No