Template:Are You Sure/July 31

... that philosopher, mathematician, and computer scientist Hilary Putnam argued for the reality of mathematical entities, later espousing the view that mathematics is not purely logical, but "quasi-empirical"?

... that most crimes against astronomical constants, crimes against chemical constants, and crimes against physical constants are provably reducible to crimes against mathematical constants; and that most of those crimes which cannot be reduced to mathematics are murders of human beings?