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Theorem ton-fromn

⊦ ¬ # σ < ⌜n⌝ → (σ to n) from n = []

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: swap-to-from-app,
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: empty, ton-fromn-inf, to-inf, ton-fromn-fin, size-fin, fin-empty, from-fin, to-fin,
Used spec theorems:
- Used simplifier rules: