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Mathematical Object

Dirichlet Function

Analysis

In mathematics, the Dirichlet function is the indicator function of the set of rational numbers over the set of real numbers: for a real number x, it takes one fixed value when x is rational and a different fixed value when x is not rational. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Classification
Object Kind
Function 1
Connections

Attributed To

Source Dirichlet Function (Wikipedia)

Is Kind Of Object

Functions, Concepts

Entity-backed identity for the object-kind enum value this mathematical object already carries, resolved to a mathematics concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The object-kind fact itself stays on the object unchanged.

Sources
1. Dirichlet Function (Wikipedia)
Attributed To: Peter Gustav Lejeune Dirichlet, Lead paragraph
Quote, Attributed To: Peter Gustav Lejeune Dirichlet, Lead paragraph
In mathematics, the Dirichlet function is the indicator function
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