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Theorem prod-eq-one

⊦ Π nats = 1 ∧ m < # nats → nats[m] = 1

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
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: prod-eq-one-01,
Used spec theorems:
- Used simplifier rules:
  - list-data/natlista/l
  - nat-basic1/f
  - list-del/natlista/get-in