Where does this definition of set operation come from?
This entry for set operation is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does set operation appear elsewhere on Lughet?
Yes — set operation appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.