Combining Texts

All the ideas for 'Frege on Extensions from Concepts', 'Preface to 'Principles of Philosophy'' and 'Apriority and Existence'

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

12 ideas

1. Philosophy / E. Nature of Metaphysics / 4. Metaphysics as Science
21962 Metaphysics is the roots of the tree of science [Descartes]
2. Reason / F. Fallacies / 4. Circularity
3659 I know the truth that God exists and is the author of truth [Descartes]
4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic
8859 The main modal logics disagree over three key formulae [Yablo]
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / a. Numbers
8865 If 'the number of Democrats is on the rise', does that mean that 50 million is on the rise? [Yablo]
6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / b. Indispensability of mathematics
8863 We must treat numbers as existing in order to express ourselves about the arrangement of planets [Yablo]
6. Mathematics / C. Sources of Mathematics / 9. Fictional Mathematics
8862 Platonic objects are really created as existential metaphors [Yablo]
7. Existence / D. Theories of Reality / 7. Fictionalism
8864 We quantify over events, worlds, etc. in order to make logical possibilities clearer [Yablo]
8. Modes of Existence / E. Nominalism / 1. Nominalism / c. Nominalism about abstracta
8858 Philosophers keep finding unexpected objects, like models, worlds, functions, numbers, events, sets, properties [Yablo]
11. Knowledge Aims / B. Certain Knowledge / 1. Certainty
3657 Understanding, not the senses, gives certainty [Descartes]
18. Thought / C. Content / 1. Content
3115 Are meaning and expressed concept the same thing? [Burge, by Segal]
19. Language / F. Communication / 6. Interpreting Language / d. Metaphor
8861 Hardly a word in the language is devoid of metaphorical potential [Yablo]
28. God / C. Attitudes to God / 5. Atheism
3660 Atheism arises from empiricism, because God is intangible [Descartes]