Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Originally published in 1962. This book presents the concepts and methods of a basic part of logic. Elementary ideas are explained followed by a more comprehensive account of truth-functionality. It describes and explains the truthtable method, the deductive method and the method of normal forms for testing truth-functional aguments.