bn:07688339n
Noun Concept
PT
No term available
ZH
设 {\displaystyle } 是偏序集, B ⊆ A {\displaystyle B\subseteq A} , y ∈ B {\displaystyle y\in B} ,若对于所有的 x ∈ B {\displaystyle x\in B} 都有 y ≤ x {\displaystyle y\leq x} ,则称 y {\displaystyle y} 为 B {\displaystyle B} 的最小元。 Wikipedia
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IS A
OPPOSITE OF