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Theorem add-inf-02

⊦ ⌜n⌝ + n∞1 = ∞ ↔ n∞1 = ∞

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: add-inf-01, addeqinf-cancel,
Used by units in proved state: stut-mon,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 5
Used lemmas: add-fin, add-comm, add-assoc, add-inf2,
Used spec theorems:
- nat-inf-basic/disj
Used simplifier rules:
- nat-inf-basic/disj