You have chosen 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz, 'On the Pragmatics of Communications' by Jrgen Habermas and 'Letters to Thomasius' by Gottfried Leibniz
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 |