Professor Bochenski, as he himself points out in the prologue, is a logician; he is best known in England and the United States for his work in the history of logic, and more recently in Soviet and East European philosophy. But he has taught philosophy for many years - in Rome, in Switzerland, and on a number of visits to the United States - and in this book provides an elementary introduction to contemporary work in the field. As a means to this end he has chosen to deal with four alternative methods employed by philosophers in the twentieth century. Philosophical methodology has not...