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Theorem leninv-invlast-inv

⊦ # nσ = ⌜m⌝ + ⌜1⌝ ∧ leninv(nσ) = ⌜n⌝ + ⌜1⌝ ∧ stutf(nσ) → inv(nσ)[n] = m

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: leninv-invlast-inv-2, succlessleninv-invsize,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: inv-inverts-last, leninv-succ,
Used spec theorems:
- Used simplifier rules: