You have chosen 'Tusculan Disputations' by M. Tullius Cicero, 'To be is to be the value of a variable..' by George Boolos and 'Essays on Active Powers 4: Liberty of Agents' by Thomas Reid
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 |