You have chosen 'The Universe as We Find It' by John Heil, 'Theory of Knowledge (2nd edn)' by Keith Lehrer and 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Formal Logic, or select a subheading: |
| A. | Syllogistic Logic | |
| B. | Propositional Logic PL | |
| C. | Predicate Calculus PC | |
| D. | Modal Logic ML | |
| E. | Nonclassical Logics | |
| F. | Set Theory ST | |
| G. | Formal Mereology |