This philosopher is the alphabetically prior namesake of a problem stating that a proposition can have the same meaning whether it is asserted or unasserted. This philosopher's rebuttal to the ontological argument contends that one cannot claim existence is part of the meaning of God because existence is only a property of the concept of God. This philosopher's idea that the extensions of two concepts are identical only if the concepts themselves are materially equivalent is called his (*) Basic Law V. In one work, this
This philosopher is the alphabetically prior namesake of a problem stating that a proposition can have the same meaning whether it is asserted or unasserted. This philosopher's rebuttal to the ontological argument contends that one cannot claim existence is part of the meaning of God because existence is only a property of the concept of God. This philosopher's idea that the extensions of two concepts are identical only if the concepts themselves are materially equivalent is called his (*) Basic Law V. In one work, this creator of "Concept Script" explained that though "The Morning Star" and "The Evening Star" are two names for the same object, they have different senses. For 10 points, name this German logician, the author of Foundations of Arithmetic and "On Sense and Reference".
This philosopher is the alphabetically prior namesake of a problem stating that a proposition can have the same meaning whether it is asserted or unasserted.
Gottlob Frege [or Friedrich Ludwig Gottlob Frege]