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Theorem coef-le-2pot

⊦ 0 < j → binom_coef(2 * j + 1, j) ≤ 2 ^ (2 * j)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: prime-product-between,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 14
Proof steps: 21
Used lemmas: fac-zero-02, binom-def, coef-nls-zero, Binom-theorem-countFun,
Used spec theorems:
- int-pot/Pot-pos
- intlist/sum-countfun-not-ls
Used simplifier rules: