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Theorem fin-toinf

⊦ finp(σ to∞ n∞) ↔ n∞ ≠ ∞ ∨ finp(σ)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
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: inf-not-toinf-exceptinf, toinf-inf,
Used spec theorems:
- Used simplifier rules: