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Theorem appinf-sel

⊦ (⌜x⌝ + ⌜nf⌝ ).f = x + nf

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: infapp-from-eq, infapp-from-eqadd, infapp-to-eq, to-to-leq-inf,
Used by units in proved state: contfun-lim,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: add-list-fun-def, append-fininf, append-assoc,
Used spec theorems:
- Used simplifier rules:
  - stream-basic/sel-rqui0-dotf