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Theorem leninv-is-len-inv

⊦ stutf(nσ) → # inv(nσ) = leninv(nσ)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: stutf-invmonls, succlessleninv-invsize,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: inv-def,
Used spec theorems:
- Used simplifier rules:
  - stream/natstream/to-inf
  - stream/natstream/inf-size-to
  - nat-inf-basic/fin-inject-embed
  - stream/natstream/size-inf