Pure logic studies the logical relations between statements. In order to do this we divide statements into two categories: premises and conclusions, where the premises are the statements given in ...

The logic behind argument: Coming face to face with fallacies An argument is considered valid if it takes a form that makes it impossible for the premises to be true and the conclusion to be false.

If Statements If statements are probably the easiest type of logic statement to understand. They're powerful, too, so it can be easy to get addicted to them.