有限的对称布尔代数都是某个带有一个对合映射的集合x上的集合代数。

All finite symmetry Boolean algebra are set algebra of a certain set X, Which has a doubly mapping.

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本文给出了三维射影空间上对合透视的代数表达式。

In this paper we discuss the algebraic expression of involutory perspective in three-dimensional projective space.

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本文通过对合交换半群概念的引入，对MV -代数建立了几组等价公理系，对原有的公理系进行了较好的简化。

In this paper, we introduce the notion of involution commutative semi-group, and give some equivalence axioms of MV - algebras.

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