Definitions | poset |
| noun
- (set theory) A partially ordered set.
- 1973, Barbara L. Osofsky, Homological Dimensions of Modules, American Mathematical Society, ISBN 0821816624, page 76,
- :42. Definition. A (partially ordered set) (X, �) (usually written just X) is a set X together with a transitive, antisymmetric relation � on X.
- :43. Definition. A linearly ordered set or chain is a (X, �), such that �a, b � X, either a � b or b � a or a = b.
Etymology: Abbreviation of partially ordered set.
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