You have chosen 'Summa totius logicae' by William of Ockham, 'Four Decades of Scientific Explanation' by Wesley Salmon and 'Principia Mathematica' by Isaac Newton
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Sources, or select a subheading: |
| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |