You have chosen 'Classical Cosmology (frags)' by T.M. Robinson, 'Metaphysical conseqs of principle of reason' by Gottfried Leibniz and 'On the Algebra of Logic' by Charles Sanders Peirce
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |