You have chosen 'Letters to Edward Stillingfleet' by John Locke, 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein and 'The Problem of Knowledge' by A.J. Ayer
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |