In this paper, we proved that the definition of a semilattice as a universal algebra and the definition of a semilattice as a partial ordered set are equivalent.
本文中，我们证
了作为
的半格的定义与作为偏序集的半格的定义是等
的。
In this paper, we proved that the definition of a semilattice as a universal algebra and the definition of a semilattice as a partial ordered set are equivalent.
本文中，我们证了作为的半格的定义与作为偏序集的半格的定义是等的。
Conclusion Some known results about bi-semilattice becoming distributive lattice are expanded.
结论推广了双半格成为分配格的一些结果。
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