排序方式: 共有17条查询结果,搜索用时 15 毫秒
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吴菊英 《纺织高校基础科学学报》2000,13(1):37-39
证明了BCK-代数通过"一点扩张"可生成真BCI-代数,(i,j;m,n)型拟可换BCK-代数通过"一点扩张"可生成真BCI-代数并保持同型拟可换性.给出了实现"一点扩张"应满足的条件. 相似文献
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A.?IorgulescuEmail author 《Soft Computing - A Fusion of Foundations, Methodologies and Applications》2004,8(7):449-463
We introduce Iséki algebras as a special class of BCK algebras and we prove they are categorically equivalent with BL algebras. Other connections are established.I thank very much Professor Antonio Di Nola for his kind suggestions that helped me to improve the final form of the paper. 相似文献
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李辉 《沈阳工程学院学报(自然科学版)》2000,(2)
Fuzzy蕴涵代数,简称FI代数,是一个新的代数系统。本文讨论了FI代数的一些新性质,简化了有界关联BCK代数系统,将Fuzzy代数与有界关联BCK代数联系起来,从而发展了Fuzzy代数系统理论。 相似文献
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伏文清 《计算机工程与应用》2012,48(11):22-25
给出了软BCK代数的广义交运算和广义并运算,证明了一个集合X上的一族软BCK代数{(Fi,Ai)}#em/em#∈I的广义交和一族软BCK代数{(Fi,Ai)}#em/em#∈I(对任意#em/em#,j∈I,#em/em#≠j有Ai∩Aj=?)的广义并仍然是X上的软BCK代数,集合X上的软BCK代数(G,B)的一族软子代数的交、广义交和广义并仍是(G,B)的软子代数。 相似文献
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Afrodita Iorgulescu 《Soft Computing - A Fusion of Foundations, Methodologies and Applications》2008,12(9):835-856
Since all the algebras connected to logic have, more or less explicitly, an associated order relation, it follows, by duality
principle, that they have two presentations, dual to each other. We classify these dual presentations in “left” and “right”
ones and we consider that, when dealing with several algebras in the same research, it is useful to present them unitarily,
either as “left” algebras or as “right” algebras. In some circumstances, this choice is essential, for instance if we want
to build the ordinal sum (product) between a BL algebra and an MV algebra. We have chosen the “left” presentation and several
algebras of logic have been redefined as particular cases of BCK algebras. We introduce several new properties of algebras
of logic, besides those usually existing in the literature, which generate a more refined classification, depending on the
properties satisfied. In this work (Parts I–V) we make an exhaustive study of these algebras—with two bounds and with one
bound—and we present classes of finite examples, in bounded case. In Part II, we continue to present new properties, and consequently
new algebras; among them, bounded α γ algebra is a common generalization of MTL algebra and divisible bounded residuated lattice
(bounded commutative Rl-monoid). We introduce and study the ordinal sum (product) of two bounded BCK algebras.
Dedicated to Grigore C. Moisil (1906–1973). 相似文献
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《国际计算机数学杂志》2012,89(12):2502-2515
Characterizations of a (?, ? ∨ q?)-fuzzy subalgebra (ideal) are considered. Given an ∈-soft set, an (?, ? ∨ q?)-fuzzy subalgebra is established. Using the notion of (t, s)-fuzzy subalgebras, characterizations for an∈-soft set to be a (idealistic) soft BCK/BCI-algebra are provided. Using the notion of fuzzy p-ideals, a characterization of an∈-soft set to be a p-idealistic soft BCI-algebra is constructed. An equivalent condition for a q-soft set to be a p-ideal is given. Characterizations of a (∈,∈ ∨ q)-fuzzy p-ideal are initiated. Conditions for a (∈,∈∨ q)-fuzzy ideal to be a (∈,∈∨ q)-fuzzy p-ideal are stated. 相似文献
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高显文 《计算机工程与应用》2012,48(12):92-95
粗糙集的代数刻画是粗糙集理论中研究的一个重要方向,在偶序对[R(X),R(X)]构成的集合中定义了二元运算[*],证明了序偶对构成的集合构成了一个有界BCK代数,给出了基本的性质,为粗糙逻辑和粗糙推理奠定了基础。 相似文献
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In the framework of the European yeast genome sequencing project, we have determined the nucleotide sequence of the cosmid clone 233 provided by F. Galibert (Rennes Cedex, France). We present here 9464 base pairs of this cosmid located on the left arm of Saccharomyces cerevisiae chromosome X. This sequence contains two new open reading frames and includes the published sequences of the RADH gene (also identified as SRS2/HPR5) and the 3′-end of the gene BCK1/SLK1/SSP31. Deletion mutants of the two unknown genes J0909 and J0911 are viable. The sequence has been deposited in the EMBL data library under accession number X77087. 相似文献