1) An analytic truth.
逻辑上必然的真理
2) necessary inference
必然性逻辑推理
5) logical necessity
逻辑必然性
6) necessary truth
必然真理
1.
The paper makes an investigation of them and the definitions of necessary truth historically,analyses the relationship between necessity and contingency,necessary truth and contingent truth.
本文从历史的角度对必然性和偶然性、必然真理的定义做了一番考察,并分析了必然性和偶然性、必然真理和偶然真理的关系。
2.
Starting from the classification of truth theory, this paper analyses the problems of different truth theories, and investigates the relations among logical truth, analytic truth and necessary truth by discussing Quines censure to analyticity and necessity, and concludes that their extensions and applied scopes are enlarging in turn, whereas the former is a subset of the latter.
通过论述蒯因对分析性和必然性的责难 ,对逻辑真理、分析真理、必然真理问题的关系作了考察 ,认为三者的外延及应用范围依次增大 ,前者依次是后者的子
补充资料：必然性推理
“或然性推理”的对称。从真前提能够必然地推出真结论的推理。包括：各种直接推理，三段论，关系推理，假言推理，选言推理，完全归纳推理，科学归纳推理。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条