You have chosen 'The Fixation of Belief' by Charles Sanders Peirce, 'Principia Mathematica' by Isaac Newton and 'Eight Theories of Ethics' by Gordon Graham
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 |