| 1. | It is very closely related to the rule of inference modus tollens.
|
| 2. | The falsification of statements occurs through " modus tollens ", via some observation.
|
| 3. | The history of the inference rule " modus tollens " goes back to antiquity.
|
| 4. | So then modus tollens wouldn't be included as an inference rule in constructive logics?
|
| 5. | The first to explicitly describe the argument form " modus tollens " were the Stoics.
|
| 6. | Modus ponens is closely related to another valid form of argument, " modus tollens ".
|
| 7. | In instances of " modus tollens " we assume as premises that p ?! q is true and q is false.
|
| 8. | Popular rules of inference in propositional logic include " modus ponens ", " modus tollens ", and contraposition.
|
| 9. | This is often called the " law of contrapositive ", or the " modus tollens " rule of inference.
|
| 10. | The inference rule " modus tollens " validates the inference from P implies Q and the contradictory of Q to the contradictory of P.
|