Definition of universal set in English:

universal set

noun

Mathematics Logic
  • The set containing all objects or elements and of which all other sets are subsets.

    ‘For the set of its subsets clearly could not have a greater number than the number of things in the universal set itself, since that contained everything.’
    ‘And supposing we accept the universal set of characteristics, we know that there is quite a degree of individual difference within the universal set.’

Pronunciation

universal set

/ˌjunəˈvərsəl sɛt/