Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:law
                                        
                                         | 
                            
| gptkbp:alsoKnownAs | 
                                    
                                        
                                            gptkb:Axiom_of_Extensionality
                                        
                                         | 
                            
| gptkbp:cause | 
                                    
                                        
                                            gptkb:Russell's_paradox
                                        
                                         | 
                            
| gptkbp:formedBy | 
                                    
                                        
                                            gptkb:Gottlob_Frege
                                        
                                         | 
                            
| gptkbp:influenced | 
                                    
                                        
                                            
                                            foundations of mathematics
                                        
                                        
                                         development of modern logic  | 
                            
| gptkbp:language | 
                                    
                                        
                                            gptkb:German
                                        
                                         | 
                            
| gptkbp:partOf | 
                                    
                                        
                                            gptkb:Grundgesetze_der_Arithmetik
                                        
                                         | 
                            
| gptkbp:publicationYear | 
                                    
                                        
                                            
                                            1893
                                        
                                        
                                         | 
                            
| gptkbp:publishedIn | 
                                    
                                        
                                            gptkb:Grundgesetze_der_Arithmetik
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            gptkb:Russell's_paradox
                                        
                                         gptkb:logic gptkb:set_theory  | 
                            
| gptkbp:state | 
                                    
                                        
                                            
                                            For all concepts F and G, the extension of F equals the extension of G if and only if for all objects x, F(x) if and only if G(x).
                                        
                                        
                                         | 
                            
| gptkbp:type | 
                                    
                                        
                                            
                                            inconsistent in naive set theory
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Grundgesetze_der_Arithmetik
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            5
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Basic Law V
                                        
                                        
                                         |