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Theorem not-lessto

¬ # α < ⌜n⌝ ⊦ ¬ # ext !(α) < # ⌜ext !(α.take(n))⌝

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: remtau-append, not-lessto-fin, finremtau-def,
Used spec theorems:
- Used simplifier rules: