真、假与命题真假意义的诠探

真和假两个概念在逻辑学中有不同的含义：一是在命题的特征中它们表达主体对客体的认识是否和客观实际情况相一致的问题；二是在同素材的四种性质命题A、E、I、O之间的真假制约关系中,它们表达主体对任何一个性质命题的赞成或反对从而相应的就是对其他三种命题的反对或赞成；三是在复合命题中,复合命题的真假是指肢命题的真假是否反映了由于逻辑联结项的不同所形成的不同逻辑关系的正误。

Discussion about Truth or Falsity and True or False Proposition

The concepts of truth and falsity have different logical meanings:1.They show whether the subjects' understanding of object is in accordance with the objective reality in a proposition.2.That subject is for or a- gainst one proposition expresses correspondingly the approval or opposition to the other three propositions in the interactive relations among the four propositions A,E,I,O in the same material.3.The meaning of the truth and falsity of a compound proposition is whether its branches can reflect the correctness and wrong of different logical relations formed by different combinations.