Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
logical law
|
| gptkbp:alsoKnownAs |
gptkb:principle_of_excluded_middle
|
| gptkbp:appliesTo |
gptkb:logic
predicate logic |
| gptkbp:category |
gptkb:logic
philosophy of logic |
| gptkbp:contrastsWith |
paraconsistent logic
dialetheism |
| gptkbp:field |
gptkb:classical_logic
|
| https://www.w3.org/2000/01/rdf-schema#label |
law of excluded middle
|
| gptkbp:notableFigure |
gptkb:Aristotle
|
| gptkbp:notAcceptedIn |
intuitionistic logic
|
| gptkbp:originatedIn |
gptkb:philosophy
|
| gptkbp:relatedTo |
gptkb:law_of_identity
gptkb:law_of_noncontradiction |
| gptkbp:state |
for any proposition, either that proposition is true or its negation is true
|
| gptkbp:symbol |
P ∨ ¬P
|
| gptkbp:usedIn |
proof by contradiction
mathematical proofs |
| gptkbp:bfsParent |
gptkb:Laws_of_Thought
gptkb:Constructivist_mathematicians gptkb:constructivism_in_mathematics gptkb:Law_of_noncontradiction gptkb:classical_logic gptkb:constructive_set_theory |
| gptkbp:bfsLayer |
6
|