Part I: Propositional Logic Last updated Save as PDF Page ID16847 Contributed by Craig DeLanceyProfessor (Philosophy) at SUNY OswegoSourced from OpenSUNY 1.10: 10. Summary of Propositional Logic1.1: 1. Developing a Precise Language1.2: 2. “If…then….” and “It is not the case that….”1.3: 3. Good Arguments1.4: 4. Proofs1.5: 5. “And”1.6: 6. Conditional Derivations1.7: 7. “Or”1.8: 8. Reductio ad Absurdum1.9: 9. “… if and only if …”, Using Theorems1.10: 10. Summary of Propositional Logic1.1: 1. Developing a Precise Language1.2: 2. “If…then….” and “It is not the case that….”1.3: 3. Good Arguments1.4: 4. Proofs1.5: 5. “And”1.6: 6. Conditional Derivations1.7: 7. “Or”1.8: 8. Reductio ad Absurdum1.9: 9. “… if and only if …”, Using Theorems