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Theorem remtau-equiv

¬ finp(ext !(⌜af⌝ )) ⊦ ext !(⌜af⌝ ) = ext !(⌜af0⌝ ) ↔ (∀ n. ∃ m. ext !(af.take(n)) = ext !(af0.take(m)))

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

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Infos about the proof

Proved?: Yes
Interactions: 15
Proof steps: 29
Used lemmas: remtau-append, not-lessto, remtau_of_to-to_of_rmtau, finremtau-def, to_of_remtau-remtau_of_to,
Used spec theorems:
Used simplifier rules: