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Theorem inv-def

⊦ stutf(nσ) → inv(nσ) = (leninv(nσ) = ∞ ⊃ ⌜λ m. max∞(λ n. ⌜n⌝ < # nσ ∧ nσ[n] = m).n⌝ ;⌜λ m. max∞(λ n. ⌜n⌝ < # nσ ∧ nσ[n] = m).n⌝ to leninv(nσ).n)

Type: An axiom
Validity: The proof is valid.
Features:
Comment:
Used by: inv-get-inverse, inv-get-inverse-between, inv-get-inverse-last, inv-get-inverse-succ, inv-get-lslen, inv-inverts, inv-inverts-last, inv-inverts-leq, inv-ls-succ, leninv-is-len-inv,
Used by units in proved state:
Proof exists?: No