Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Logical rule
|
| gptkbp:appliesTo |
Classical logic
Propositional logic |
| gptkbp:describes |
The principle that not not P implies P.
|
| gptkbp:eligibility |
Intuitionistic logic
|
| gptkbp:field |
gptkb:logic
|
| https://www.w3.org/2000/01/rdf-schema#label |
Double negation elimination
|
| gptkbp:relatedTo |
gptkb:Law_of_excluded_middle
Double negation introduction |
| gptkbp:symbol |
¬¬P → P
|
| gptkbp:usedIn |
gptkb:logic
Proof theory |
| gptkbp:bfsParent |
gptkb:Classical_Logic
|
| gptkbp:bfsLayer |
5
|