This thinker divided the sciences into “Science of Discovery,” “Science of Review,” and “Practical Science.” A law named for this thinker states that P must be true if there is a proposition Q such that “P then Q” implies P. This thinker developed theories regarding the importance of continuity and “absolute chance,” respectively called synechism and tychism. (10[1])This thinker listed “quality,” “relation,” and (-5[1])“representation” as “firstness,” “secondness,” and “thirdness” in “On a New List of Categories.” Every sign is either an icon, (10[1])index, or symbol (10[1])in this thinker’s theory of semiotics. (-5[1])This thinker included the method of tenacity (10[1])among the methods of “settling opinion” in “The Fixation of Belief.” (10[2])For 10 points, name this “father of pragmatism” who wrote “How to Make (-5[1])Our Ideas Clear.” ■END■ (0[3])