You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'An Axiomatization of Set Theory' by John von Neumann and 'Boole calculus and the Concept script' by Gottlob Frege
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| A. | Freedoms | |
| B. | Equalities | |
| C. | Rights | |
| D. | Justice | |
| E. | Policies | |
| F. | Life Issues |