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Words nearby contrapositive
Example sentences from the Web for contrapositive
There is an apparent exception to this when the real Middle in an argument is a contrapositive term, not-M.
In the case of the I proposition the contrapositive is impossible, as infringing the main rule of conversion.
For a Disjunctive in I., of course, there is no Contrapositive.Logic|Carveth Read
Every positive in thought has a contrapositive, and the positive and contrapositive are of the same kind.
British Dictionary definitions for contrapositive
- a conditional statement derived from another by negating and interchanging antecedent and consequent
- a categorial proposition obtained from another, esp validly, by any of a number of operations including negation, transferring the terms, changing their quality, and also possibly weakening from universal to particular