Definition, Meaning & Synonyms
contraposition
noun
/ˌkɒntrəpəˈzɪʃən/
Definition
The action of placing two opposite things in relation to each other.
Examples
- If A implies B, then the contraposition would state that if not B, then not A.
- She used contraposition to prove her argument in the debate.
- The teacher explained that understanding contraposition is crucial for logical reasoning.
Meaning
In logic, it refers specifically to a method of logical reasoning involving the inversion and negation of a statement.
Synonyms
- Inversion
- Negation
- Reverse implication