A book by this thinker that proposes “eternal sentences” was referenced by the title of a “metaphysical study” by Roderick Chisholm. In a paper discussing ontological commitments, this philosopher dismissed the interlocutors McX and Wyman’s positions on the existence of Pegasus. This “reluctant Platonist” used a criterion he outlined in “On What There Is” to argue, along with Hilary Putnam, (10[2])for the existence of mathematical objects by appealing to their indispensability. (10[1])Daniel Dennett used this thinker’s (10[1])name as a verb in the title of a paper (10[1])arguing against qualia. A paper by this author of Word and Object considers (10[1])two versions of the phrase “No bachelor is married” to argue against the analytic–synthetic distinction. For 10 points, name this American philosopher of “Two Dogmas of (10[1])Empiricism.” ■END■