Tag Archives: lattice

Popularity

At my secondary school, the high-scoring wide receiver was more popular than the fat lineman. And the fat lineman was more popular than the team statistician. But you couldn’t really compare the wide receiver’s popularity to that of the actor … Continue reading

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Blood Types

Blood types form a topological space (and a complete distributive lattice). There are three generators: A, B, and Rh+. Above the “zero element” is the universal donor O− and the “unit element” is the universal receiver AB+. A topological space contains … Continue reading

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