combinatorial pregeometry

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Pregeometry (model theory) — Pregeometry, and in full combinatorial pregeometry, are essentially synonyms for matroid . They were introduced by G. C. Rota with the intention of providing a less ineffably cacaphonous alternative term. Also, the term combinatorial geometry,… … Wikipedia
Pregeometry — In mathematics and physics, pregeometry has several meanings:* In combinatorics and most other mathematics, a matroid (as an abbreviation of combinatorial pregeometry ) * Pregeometry (model theory), a finitary matroid (as an abbreviation of… … Wikipedia
Matroid — In combinatorics, a branch of mathematics, a matroid ( /ˈmeɪ … Wikipedia

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