ABSTRACT
was that when an argument has a form that is truth-functional, we can now test it for validity.
(If you'd like more practice.) Test the argument-form
If P then not Q __________ If Q then not P.
Unfortunately there is also some
was that when an argument has a form that is truth-functional, we can now test it for validity.
(If you'd like more practice.) Test the argument-form
If P then not Q __________ If Q then not P.
Unfortunately there is also some