Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
logical argument form
rule of inference |
| gptkbp:alsoKnownAs |
gptkb:modus_tollendo_ponens
|
| gptkbp:contrastsWith |
affirming the disjunct
constructive dilemma |
| gptkbp:example |
Either it is raining or it is snowing. It is not raining. Therefore, it is snowing.
|
| https://www.w3.org/2000/01/rdf-schema#label |
disjunctive syllogism
|
| gptkbp:involves |
disjunction
negation |
| gptkbp:plotSummary |
one disjunct is true if the other is false
|
| gptkbp:relatedTo |
gptkb:modus_ponens
modus tollens |
| gptkbp:symbol |
(A ∨ B), ¬A ⊢ B
(A ∨ B), ¬B ⊢ A |
| gptkbp:usedIn |
gptkb:logic
|
| gptkbp:validOn |
gptkb:classical_logic
intuitionistic logic |
| gptkbp:bfsParent |
gptkb:classical_logic
|
| gptkbp:bfsLayer |
6
|