Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'Prologue to Ordinatio' and 'Possible Worlds and Necessary A Posteriori'

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7 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

9. Objects / D. Essence of Objects / 9. Essence and Properties

14633

How do we tell a table's being contingently plastic from its being essentially plastic? [Jackson]

14635

An x is essentially F if it is F in every possible world in which it appears [Jackson]

9. Objects / D. Essence of Objects / 15. Against Essentialism

14632

Quine may have conflated de re and de dicto essentialism, but there is a real epistemological problem [Jackson]

10. Modality / D. Knowledge of Modality / 3. A Posteriori Necessary

14631

How can you show the necessity of an a posteriori necessity, if it might turn out to be false? [Jackson]

11. Knowledge Aims / A. Knowledge / 4. Belief / c. Aim of beliefs

9100	Our intellect only assents to what we believe to be true [William of Ockham]

15. Nature of Minds / C. Capacities of Minds / 3. Abstraction by mind

9101	Abstractive cognition knows universals abstracted from many singulars [William of Ockham]