CÁC BÀI BÁO KHOA HỌC 22:20:44 Ngày 28/10/2020 GMT+7
Semi-Post algebras

In this paper, semi-Post algebras are introduced and investigated. The generalized Post algebras are subcases of semi-Post algebras. The so called primitive Post constants constitute an arbitrary partially ordered set, not necessarily connected as in the case of the generalized Post algebras examined in [3]. By this generalization, semi-Post products can be defined. It is also shown that the class of all semi-Post algebras is closed under these products and that every semi-Post algebra is a semi-Post product of some generalized Post algebras. © 1987 Polish Academy of Sciences.

 Ho N.C., Rasiowa H.
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