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Theorem swap-inf-from-to

⊦ (nf from m) to n = (nf to m + n) from m

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: swap-inf-to-from,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: from-fin, to-inf, from-inf, size-inf, swap-from-to,
Used spec theorems:
- Used simplifier rules:
  - nat-inf/less-inf1
  - stream-basic/inj-02