如果一个命题的题设成立时,不能保证结论一定成立,那么这样的命题叫做假命题。
真命题(true proposition):如实反映事物情况的命题; 假命题(false proposition):没有如实反映事物情况的命题; 人类进行推理的目的就在于从真前提得出真结论。
基于158个网页-相关网页
我们把正确的命题称为真命题(true statement),不正确的命题称 为假命题(false statement). 由大家刚才分析可以知道:要说明一个命题是一个假命题,通常可以举出 一个例子,使它具备命题的条件,而不具有命题的结论.这...
基于46个网页-相关网页
假言命题 hypothetical proposition
充分条件假言命题 hypothetical proposition under sufficient conditions
必要条件假言命题 hypothetical proposition for necessary condition
充分必要条件假言命题 hypothetical proposition of necessary and sufficient condition
必要条件假言命题的负命题 negation of necessary condition’s hypothetical proposition
充分条件假言命题的负命题 negative hypothetical proposition of sufficient conditions
充分必要条件假言命题的负命题 negative hypothetical proposition of necessary and sufficient conditions
假设性命题 hypothetical proposition
命题假设 Conceptual-Propositional Hypothesis
·2,447,543篇论文数据,部分数据来源于NoteExpress
语义悖论是无论假设其真还是假设其假都不能成立的命题 ,就此意义而言 ,可称之为“不真不假命题”。
Semantic paradox is not a tenable proposition, no matter its hypothesis is true or not, from this point of view, it can be called " neutral proposition".
你们的论点完全正确,命题有真假,但是论点不能或真或假,论点只能有效或无效。
You're absolutely right statements, and propositions can be true or false but arguments can't be true or false, arguments can only be valid or invalid.
摘要逻辑实证主义认为形而上学表述的都是经验之外的命题,由于它们无法被证实真与假,所以根本就没有意义。
Logical positivism thinks that metaphysical propositions beyond experience cannot be verified as truth or falsehood so that they are meaningless at all.
应用推荐