Taking the textbook of senior high school mathematics published by People's Education Press as an example, the negative proposition of senior high school mathematics learning is in the content of elective course 2- 1

Elective course 2- 1 learning negative proposition in the chapter of common logical terms, mainly studies the following contents:

1. Proposition and its relationship: understand the inverse proposition, negative proposition and negative proposition of a proposition; After understanding the meanings of necessary conditions, sufficient conditions and necessary and sufficient conditions, the relationship between the four propositions is analyzed.

2. Simple logical connectives: Understand the meaning of logical connectives "or" and "not".

3. Full-name quantifiers and existential quantifiers: Understand the meanings of full-name quantifiers and existential quantifiers; Can correctly deny the proposition containing quantifiers.