Combining Texts

All the ideas for 'Lectures on the History of Philosophy', 'A Plea for Substitutional Quantification' and 'De formis'

expand these ideas     |    start again     |     specify just one area for these texts

5 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined
21757 Philosophy is the conceptual essence of the shape of history [Hegel]
4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic
9470 Modal logic is not an extensional language [Parsons,C]
5. Theory of Logic / G. Quantification / 4. Substitutional Quantification
9469 Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C]
9468 On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities
16719 The primary qualities are mixed to cause secondary qualities [Burley]