# Alfred Horn

> Alfred Horn was an American mathematician notable for his work in lattice theory and universal algebra. His 1951 paper "On sentences which are true of direct unions of algebras" described Horn clauses and Horn sentences, which later became used in logic programming.

*American mathematician (1918-2001)*

**Canonical URL:** https://fame.am/person/alfred-horn

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1918-02-17
- **Died:** 2001-04-16
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 42.4 / 100
- **Momentum:** 12.6 / 100  (trend: RISING)
- **Historical depth:** 8.1 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 50.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [アルフレッド・ホーン](https://ja.wikipedia.org/wiki/%E3%82%A2%E3%83%AB%E3%83%95%E3%83%AC%E3%83%83%E3%83%89%E3%83%BB%E3%83%9B%E3%83%BC%E3%83%B3)
- [Alfred Horn](https://pt.wikipedia.org/wiki/Alfred_Horn)
- [ألفرد هورن](https://ar.wikipedia.org/wiki/%D8%A3%D9%84%D9%81%D8%B1%D8%AF_%D9%87%D9%88%D8%B1%D9%86)
- [Alfred Horn (Mathematiker)](https://de.wikipedia.org/wiki/Alfred_Horn_(Mathematiker))
- [Alfred Horn](https://en.wikipedia.org/wiki/Alfred_Horn)
- [Alfred Horn](https://fr.wikipedia.org/wiki/Alfred_Horn)
- [Alfred Horn](https://ht.wikipedia.org/wiki/Alfred_Horn)
- [Alfred Horn](https://hu.wikipedia.org/wiki/Alfred_Horn)
- [Alfred Horn](https://it.wikipedia.org/wiki/Alfred_Horn)
- [Wikidata](https://www.wikidata.org/wiki/Q761863)

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