Combining Texts

Ideas for 'Aristotle and the Metaphysics', 'Phil of Mathematics and Natural Science' and 'Nominalism and Substitutional Quantifiers'

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3 ideas

9. Objects / A. Existence of Objects / 3. Objects in Thought

10796

If objects are thoughts, aren't we back to psychologism? [Marcus (Barcan)]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

11248

Necessary truths can be two-way relational, where essential truths are one-way or intrinsic [Politis]

9. Objects / F. Identity among Objects / 2. Defining Identity

10797

Substitutivity won't fix identity, because expressions may be substitutable, but not refer at all [Marcus (Barcan)]