You have chosen 'From an Ontological Point of View' by John Heil, 'An Analysis of Knowledge and Valuation' by C.I. Lewis and 'Critique of the Gotha Program' by Karl Marx
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |