The prolific and indefatigable Mario Bunge has been writing books and articles on almost every facet of philosophy for nearly fifty years. At a time when much contemporary philosophy is mired in obfuscating jargon and devoid of purpose, Bunge's clarity of thought and expression, as well as his commitment to serious philosophical issues, stand out in sharp relief. Because of the sheer size of his published works, which include the monumental eight-volume...