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Brandon Rozek 2021-12-15 14:10:07 -05:00
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@ -13,6 +13,7 @@ When I look into a new field, sometimes I get confused by the whole new set of v
| Modus Ponens | If $P$ implies $Q$ and $P$ is asserted to be true, then $Q$ must be true. |
| Complete | If every formula having the property can be derived using the system. (i.e The system does not miss a result) |
| Negation-Complete | Either $\phi$ or $\neg \phi$ can be proved in the system. |
| Consistent | For any provable formula $\phi$, the negation ($\neg \phi$) cannot be provable. (Cannot derive a contradiction) |
| Decidable | An effective method exists for deriving the correct answer in a finite time. |
| Sound | Every formula that can be proved in the system is logically valid with respect to the semantics of the system. (i.e The system does not produce a wrong result) |