Common expressions for the theory of proveit.logic.sets.cardinality

import proveit
# Prepare this notebook for defining the common expressions of a theory:
%common_expressions_notebook # Keep this at the top following 'import proveit'.
%begin common

Defining common sub-expressions for theory 'proveit.logic.sets.cardinality'
Subsequent end-of-cell assignments will define common sub-expressions
%end_common will finalize the definitions

%end common

Theory proveit.logic.sets.cardinality has no common expressions