Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:logic | 
| gptkbp:application | gptkb:logic computer science database theory | 
| gptkbp:developedBy | gptkb:Augustus_De_Morgan gptkb:Charles_Sanders_Peirce gptkb:Ernst_Schröder | 
| gptkbp:field | gptkb:logic gptkb:mathematics | 
| gptkbp:introducedIn | gptkb:19th_century | 
| gptkbp:operator | composition of relations complement of relations converse of relations intersection of relations union of relations | 
| gptkbp:relatedTo | gptkb:set_theory gptkb:relation_algebra binary relations | 
| gptkbp:studies | operations on relations properties of relations | 
| gptkbp:bfsParent | gptkb:Steven_Givant | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | The Calculus of Relations |