He claimed that an expression expresses a "sense" but stands in for its "reference" in his treatise on naming.
This thinker first made the claim that phrases like "the greatest integer" are "nondenoting" because they do not correspond to a real meaning. Saul Kripke piggybacked off of this philosopher's treatment of "Hesperus" and "Phosphorus" as two names for Venus. He claimed that an expression expresses a "sense" but stands in for its "reference" in his treatise on naming. This thinker proposed a mathematic system that succumbs to the paradox that a set of all sets cannot logically contain both itself and other sets. For 10 points, name this German logician and philosopher who laid out naïve set theory in his The Foundation of Arithmetic.
This thinker first made the claim that phrases like "the greatest integer" are "nondenoting" because they do not correspond to a real meaning.
Friedrich Ludwig Gottlob {Frege}