posetal
(databases) A join whose predicate uses only equality comparisons.
A boar or lamb in its third year.
An idea depicted as an entity. / (uncommon) Alternative form of demon.
(mathematics) Antisymmetric.
集合上の関係Rは反対称なので、aRbおよびbRaが両方成り立つときは必ずa = bとなる。
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