You have chosen 'To be is to be the value of a variable..' by George Boolos, 'The Life of Reason' by George Santayana and 'Primary Truths' by Gottfried Leibniz
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A. | Classical Physics | |
B. | Modern Physics | |
C. | Space | |
D. | Time | |
E. | Cosmology | |
F. | Chemistry | |
G. | Biology |