Formal Logic

Offers a text employing the tree method, a formal system of first-order logic. This book allows students to take control of the nuts and bolts of formal logic, ... » 

Offers a text employing the tree method, a formal system of first-order logic. This book allows students to take control of the nuts and bolts of formal logic, and to move on to complex and abstract problems. The tree method is elaborated in steps over five chapters. «