EmptyQ[g]
yields True if graph g contains no edges.
    
   EmptyQ
EmptyQ[g]
yields True if graph g contains no edges.
Details and Options
- EmptyQ functionality is now available in the built-in Wolfram Language function EmptyGraphQ.
 - To use EmptyQ, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
 
Examples
Basic Examples (2)
EmptyQ has been superseded by EmptyGraphQ:
See Also
Tech Notes
Related Guides
- 
    ▪
    
 - Graph Properties ▪
 - Graphs & Networks ▪
 - Graph Visualization ▪
 - Computation on Graphs ▪
 - Graph Construction & Representation ▪
 - Graphs and Matrices ▪
 - Graph Properties & Measurements ▪
 - Graph Operations and Modifications ▪
 - Statistical Analysis ▪
 - Social Network Analysis ▪
 - Graph Properties ▪
 - Mathematical Data Formats ▪
 - Discrete Mathematics
 
Text
Wolfram Research (2012), EmptyQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/EmptyQ.html.
CMS
Wolfram Language. 2012. "EmptyQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/EmptyQ.html.
APA
Wolfram Language. (2012). EmptyQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/EmptyQ.html
BibTeX
@misc{reference.wolfram_2025_emptyq, author="Wolfram Research", title="{EmptyQ}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/EmptyQ.html}", note=[Accessed: 03-November-2025]}
BibLaTeX
@online{reference.wolfram_2025_emptyq, organization={Wolfram Research}, title={EmptyQ}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/EmptyQ.html}, note=[Accessed: 03-November-2025]}