Assertion: intersection | /r/HasProperty | empty
Facets:
Source sentences:
text: Since no countries in Asia and Africa are the same, the intersection is empty.
text: In fact, since the empty set is included in any set, the intersection of the empty set with any set is the empty set.
text: A and B are disjoint if their intersection is empty, denoted A ∩ B = ∅ {\displaystyle A\cap B=\varnothing } .
text: The intersection is the empty set, because the union over the empty set is the empty set.