命题逻辑

There is a wrong opinion that a state of thing corresponds to the atomic proposition in the propositional logic.

学界有种观点认为，基本事态对应着命题逻辑的原子命题，这种观点是错误的。

The soundness and completeness theorem of this method were proved at last. 5. The a-automated reasoning method based on the a-resolution principle of LP was discussed, the author given a method to describe the set of simple generalized clauses (veriables and non-subregular 1 - IBSFs are only contained) by using a matrix, and translated the a-resolution of two clauses to column operations of this matrix.

最后，证明了该方法的可靠性和完备性； 5、对格值命题逻辑系统LP中基于α-归结原理的α-自动推理方法进行了研究，给出了用符号矩阵表示一类简单的广义子句集合(只含命题变元和非正则1-IESF广义文字)的方法，把α-归结原理转换成矩阵的列变换。

It introduces the basic knowledge and ideas of mathematical logic and classic set theory, including proposition logic and predicate logic, reasoning calculus and theorem proving methods, basic operations and properties of sets and relations, functions of any sets and their properties, the cardinals of infinite sets, and the applications of knowledge and ideas above in computer sciences.

本课程系统介绍数理逻辑与朴素集合论的基础知识，包括：命题逻辑和谓词逻辑、定理的推理演算和机器证明方法，集合和二元关系的基本运算和性质、任意集合中的函数及其性质，无穷集合的基数，以及上述知识在计算机科学中的应用。

This text will first introduce you one branch of symbolic logic,what is generally called sentential,or propositional,logic.

本课首先将向你介绍符号逻辑的一个分支，即通常认为成为的句子逻辑或命题逻辑。

After the integrated semantic theory, Professor Wang Guojun proposed the theory of truth degree of formulas in two-valued propositional logic.

建立了积分语义学之后，王国俊教授在经典的二值命题逻辑中建立了命题的真度理论。

By employing the theory of ∑Γ－fuzzy truth degree, the concepts of Γ-pseudometric on F was proposed in the propositional logic system Ln. The results obtained can complement and enhance the original theory of metrology of logic, and can give a new frame for fuzzy reasoning study.

特别地证明了真度关系：τΓ+τΓ≤1+τΓ，并利用这一关系在模糊命题演算系统Ln中的公式集F上引入相对于有限理论的Γ-伪距离，从而为在模糊命题逻辑系统Ln中建立相对于有限理论的近似推理框架奠定了基础。

Part Three The study of Lattice-valued Modal First-order Logic System and Its Resolution Principle In this part, we introduced quantifiers and predicate into LMP, put up lattice-valued modal first-order logic system LMF, and gave its semantic interpretation and syntax structure, proved soundness theorem and consistence theorem. Moreover, in order to judge the satisfiability of formula, defined Skolem standard type and H-interpretation. Based on these work, made a primary discussion of a - resolution principle based on LMF.

第三部分：关于格值模态一阶逻辑系统及其归结原理的研究第n页西南交通大学博士研究生学位论文这一部分主要是在格值模态命题逻辑系统LMP队）中引进量词和谓词，建立格值模态一阶逻辑系统LMF（广并给出其语又解释和语法结构，证明了系统的可靠性和协调性；另外，为了判断公式的可满足性，定义了格值模态一阶公式的 Skolem标准型和体解释；在此基础上，对基于系统LMF的a一归结原理进行了初步探讨。

They are to monadic predicate logic what Boolean algebras are to propositional logic, and what polyadic algebras are to first-order logic.

它们对应一元谓词逻辑，而布尔代数对应于命题逻辑，而多元代数对应于一阶逻辑。

It holds that, by means of logic inference,"x believes p" can be interpreted as "x thinks that p is true". By the same token, the system of the Logic of Belief can-be established, on the basis of the logic of its classical proposition, by adding the modal auxiliary "should "before t...

作者认为，从逻辑的观点出发，可以简单地将&x 相信 p&解释为&x认为p是真的&，与之相对应，信念逻辑系统可以在经典命题逻辑的基础上加入模态词&应该&而得以建立。

It holds that, by means of logic inference,"x believes p" can be interpreted as "x thinks that p is true". By the same token, the system of the Logic of Belief can-be established, on the basis of the logic of its classical proposition , by adding the modal auxiliary "should "before the verb "believe".

作者认为，从逻辑的观点出发，可以简单地将&x 相信 p&解释为&x认为p是真的&，与之相对应，信念逻辑系统可以在经典命题逻辑的基础上加入模态词&应该&而得以建立。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。