You have chosen 'Works of Love' by Søren Kierkegaard, 'Nominalism and Substitutional Quantifiers' by Ruth Barcan Marcus and 'Pref to new 'Materialist Theory'' by David M. Armstrong
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |