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Theorem

Abel's Binomial Theorem

Combinatorics and Graph Theory

Abel's binomial theorem, named for Niels Henrik Abel, is a combinatorial identity involving sums of binomial coefficients paired with power terms. It expresses a particular weighted sum over binomial coefficients as a simplified closed-form expression, giving a compact formula that ties binomial coefficients and exponential-style terms together within a single identity. 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
Statement Form
Identity or Equation 1
Connections

Has Statement Form

Equation, Concepts

Entity-backed identity for the statement-form enum value this theorem 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 statement-form fact itself stays on the theorem unchanged.

Identity, Concepts

Entity-backed identity for the statement-form enum value this theorem 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 statement-form fact itself stays on the theorem unchanged.

Named After

Niels Henrik Abel, Mathematicians

Derived from the theorem's own name (unambiguous possessive-token match to exactly one live mathematician entity, w-bfill-g5-0924 browse backfill)

Sources
1. Abel's binomial theorem (Wikipedia)
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