Log in to add a comment

## Answers

universal set-set that contains all object under consederation

proper set-elements does not belong to the group

subset- set of all elements

set- is a well difined groups of objects.

:)

Log in to add a comment

universal set-set that contains all object under consederation

proper set-elements does not belong to the group

subset- set of all elements

set- is a well difined groups of objects.

:)