Suppose a simplicial complex K and two subcomplexes L1 and L2. Let |L1| and |L2| denote their polytopes.
Then |L1 ∩ L2| = |L1| ∩ |L2|.
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- Localization commutes with finite product of rings.
- Extending exact sequence
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- Uniqueness in simplicial complex
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- The union of two polytopes is a polytope
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