1 “...Professor Bochenski, as he himself points out in the prologue, is a logician; he is best known...”

2 “... this attempt in detail. Augustus De Morgan (1806-1871) was a British mathematician and logician who...”

3 “... trained a team of researchers that included some of the most important logicians and philosophers...”

4 “... logicians, philosophers, and natural scientists. New studies are constantly appearing, and the logico...”