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Theorem inv-inverts-leq

⊦ stutf(nσ) ∧ ⌜n⌝ < # nσ ∧ ⌜nσ[n]⌝ < leninv(nσ) → (inv(nσ)[nσ[n]] < n ↔ false)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 25
Proof steps: 66
Used lemmas: stutf-nonempty, maxinf-fin, leninv-succ, stutf-monle, monle-leq, leninv-inf, maxinf-inf, maxinf-def, inv-def,
Used spec theorems:
- Used simplifier rules: