Combinatorica`
Combinatorica`
UnionSet
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
UnionSet[a,b,s]
merges the sets containing 
and 
in union-find data structure 
.
Details and Options
- To use UnionSet, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012), UnionSet, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UnionSet.html.
Text
Wolfram Research (2012), UnionSet, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UnionSet.html.
CMS
Wolfram Language. 2012. "UnionSet." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/UnionSet.html.
APA
Wolfram Language. (2012). UnionSet. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/UnionSet.html