You have chosen 'Theory of Knowledge (2nd edn)' by Keith Lehrer, 'Exigency to Exist in Essences' by Gottfried Leibniz and 'Frege's Concept of Numbers as Objects' by Crispin Wright
start again | choose another area for these texts | all the ideas for this combination of textsAll the ideas for Natural Theory, or select a subheading: |
A. | Speculations on Nature | |
B. | Natural Kinds | |
C. | Causation | |
D. | Laws of Nature |