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