Aspects of Combinatorial Geometry
β Scribed by Ernest R. Ranucci
- Book ID
- 114974303
- Publisher
- School Science and Mathematics Association
- Year
- 1970
- Tongue
- English
- Weight
- 194 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0036-6803
No coin nor oath required. For personal study only.
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We present some results on combinatorial geometries (geometric lattices) in which closure is fine-closure. We prove that every interval of a line-closed geometry is line-closed. Furthermore, if every rank 3 interval of a geometry is line-closed, then the geometry is line-closed. This impfies that ev