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Theorem coef-same

⊦ 0 ≤ j → binom_coef(j, j) = 1

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: Binom-theorem-countFun, coef-same-01, middle-coef-larger-strongest,
Used by units in proved state: int-mod,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: fac-zero-02, fac-zero, binom-def,
Used spec theorems:
- Used simplifier rules: