Definition
Valid Argument
An argument is valid when the conclusion follows from the premises, that is, when the premises entail the conclusion.
Equivalently, there is no interpretation under which all premises are true and the conclusion is false.
Valid Argument
An argument is valid when the conclusion follows from the premises, that is, when the premises entail the conclusion.
Equivalently, there is no interpretation under which all premises are true and the conclusion is false.