Ideas of Edward N. Zalta, by Theme

[American, fl. 1983, Research scholar at Stanford University.]

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4. Formal Logic / D. Modal Logic ML / 1. Modal Logic
Kripke's modal semantics presupposes certain facts about possible worlds
9. Objects / A. Existence of Objects / 2. Abstract Objects / a. Nature of abstracta
Abstract objects are constituted by encoded collections of properties
Abstract objects are actually constituted by the properties by which we conceive them
9. Objects / A. Existence of Objects / 2. Abstract Objects / c. Modern abstracta
Properties make round squares and round triangles distinct, unlike exemplification
18. Thought / D. Concepts / 6. Abstract Concepts / b. Abstracta from selection
Abstract objects are captured by second-order modal logic, plus 'encoding' formulas