Combining Texts

All the ideas for 'Recent Debates on the A Priori', 'Springs of Action' and 'Investigations into Logical Deduction'

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


3 ideas

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction
Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]
6. Mathematics / A. Nature of Mathematics / 1. Mathematics
If mathematical theories conflict, it may just be that they have different subject matter [Field,H]
20. Action / A. Definition of Action / 1. Action Theory
Philosophy of action studies the roles of psychological states in causing behaviour [Mele]