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Theorem middle-coef-not-one-01

⊦ 0 < i → ¬ binom_coef(2 * i, i) < 2

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: bertrand-big-primes, middle-coef-larger-strongest, middle-coef-not-one,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 5
Used lemmas: middle-coef-largest-01, coef-one,
Used spec theorems:
- Used simplifier rules: