You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Issues of Pragmaticism' by Charles Sanders Peirce and 'Against the Professors (six books)' by Sextus Empiricus
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 |