两大类:
一、简单命题(Simple proposition)
1.性质命题(Nature Proposition) 2.关系命题(relative proposition)
1.1.全称肯定命题(Universal affirmative proposition)
1.2.全称否定命题(Universal negative proposition)
1.3.特称肯定命题(Special called affirmative proposition)
1.4.特称否定命题(Special called negative proposition)
二、复合命题(Compound Proposition)
1.联言命题(United Proposition)
2.选言命题(Disjunctive proposition)
3.假言命题(Hypothetical Proposition)
4.负命题(Negative proposition)