Task: Text Categorization
Input (English): This thinker divided philosophers into "tough-minded" and "tender-minded" categories. In one essay, this man analyzed an argument over whether a man chasing a squirrel around a tree is going around the squirrel. This thinker defined truth as "what is useful" in a book subtitled, "A New Name for Some Old Ways of Thinking." For 10 points, name this American philosopher, the author of Pragmatism and The Principles of Psychology.
Output (English): Social Science