Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Originally published in 1973. This book is for philosophy students who have limited background in mathematics. The author strikes a balance between material of a philosophical and a formal kind. Exercises within the text sit alongside the theoretical ideas they involve.