You have chosen 'Preface to Universal Characteristic' by Gottfried Leibniz, 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz and 'On Plural Reference and Set Theory' by Helen Cartwright
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 |