|Property: what can be ascribed to an object in order to distinguish it from other objects. In philosophy, there is debate about whether properties exist or whether "bare particulars" exist. Expressions for properties are predicates. Not every predicate will refer to a property. See also quantification over properties, 2nd order logic, HOL, completeness.|
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properties / Frege: "what a logical predicate stands for" - Geach: then classes are no "property names".
Predicate / Geach: rather common characteristic of phrases - but not the ultimate expression in the sentence.
Property / Geach: it is not a property of Herbert to be admired by Edith - Example: the little brother will be greater than the elderly, but this is not a property of the elder brother - Example: butter price increases, but this is not a property of butter - ((s)> Chisholm more radical: "living in front of" is not a property of one who lives on "this side".
Logic Matters Oxford 1972