Rare card

Dirichlet function

Value

50 W

Attack

246

Defence

197

Players

0

In mathematics, the Dirichlet function is the indicator function 1 Q {\displaystyle \mathbf {1} _{\mathbb {Q} }} of the set of rational numbers Q {\displaystyle \mathbb {Q} } over the set of real numbers R {\displaystyle \mathbb {R} } , i.e. 1 Q ( x ) =

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