subcontrary
/ˌsʌbˈkɑntrɛri/
adjective
- Relating to a pair of statements in logic that can both be true but cannot both be false.
- The subcontrary relationship between 'some are happy' and 'some are not happy' allows both to be true.
- In the debate, they examined the subcontrary nature of the two claims.
- Understanding subcontrary propositions helps in analyzing arguments.
noun
- A statement that is the subcontrary of another; one of a pair of subcontrary propositions.
- The logician identified each subcontrary in the argument.
- If one subcontrary is false, the other must be true.
- She wrote down the subcontrary to compare it with the original claim.