Combining Texts

Ideas for 'De Corpore (Elements, First Section)', 'The Barcan Formula and Metaphysics' and 'Begriffsschrift'

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6 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

4971	I don't use 'subject' and 'predicate' in my way of representing a judgement [Frege]

4. Formal Logic / C. Predicate Calculus PC / 2. Tools of Predicate Calculus / d. Universal quantifier ∀

17745

For Frege, 'All A's are B's' means that the concept A implies the concept B [Frege, by Walicki]

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

16186

The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen]

16187

The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen]

16190

BF implies that if W possibly had a child, then something is possibly W's child [Simchen]

4. Formal Logic / G. Formal Mereology / 3. Axioms of Mereology

17245

A part of a part is a part of a whole [Hobbes]