|
Lesson 's Glossary:
Biconditional
A conditional and the converse of this need to be true, in which
case "if only if " is used with the hypothesis and the
conclusion of the conditional to make the biconditional.
Conditional
Refers to an "if p then q" statement.
Contrapositive
In a conditional statement "if p then q", the contrapositive
is "if not p then not q", and always have the same truth
value as the original conditional.
Converse
In a conditional statement "if p then q", the converse is "if
q then p".
Counterexample
A particular instance that makes one statement false.
Inverse
A form of conditional; "if not p, then not q". |