Of course, if you're a staunch idealist like Peirce seems to be, — Metaphysician Undercover
No. This is where the misconception lies. Perhaps you didn't read what I posted on the other thread. I will post it here for your review.
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Intrinsic Properties are characteristics that an object has in itself, independently of anything else. For example, the shape of an object is an intrinsic property.
Extrinsic Properties are characteristics that depend on an object's relationship with other things. For instance, being taller than another person is an extrinsic property.
Essential Properties are attributes that an object must have to be what it is. For example, being a mammal is an essential property of a human.
Accidental Properties are attributes that an object can have but are not essential to its identity. For example, having brown hair is an accidental property of a human.
By labeling, nominalism often
concretizes properties that are actually relational. Nominalism argues that properties, types, or forms only exist as names or labels and does have the effect of concretizing abstract or relational properties. When we use labels to categorize and identify properties, we often treat them as more concrete than they might actually be.
Platonism takes this same idea and applies it to universal forms (but it is the same historically influenced idea!).
In Platonism, 'Forms' are abstract, perfect,
unchanging concepts or ideals that exist independently of the physical world. According to Plato, the physical world is just a shadow or imitation of this realm of Forms.
Unlike nominalism, which treats properties as mere labels, Platonism asserts that these properties have an essential, independent existence in the world of Forms, but
the issues with concretized identity are the same as in nominalism.
Platonism provides a framework where properties and identities have a deeper, more substantial existence beyond the physical realm, which SEEMS to contrast sharply with the nominalist view, but
the premise is based on the same historical development of nominalistic thought. This has its origins in religious theology. As I explained before, the view was that God can only be omnipotent if able to damn an individual sinner or save an individual saint. Discrete, individual forms/objects is the foundational idea behind both nominalism and Platonism.
Continuity is disrupted in both of them.