Top "Set-theory" questions

sql joins as venn diagram

I've had trouble understanding joins in sql and came upon this image which I think might help me. The problem …

mysql sql visualization set-theory
How to implement the empty set - ∅?

Assuming that you want to implement set theory concepts such as element, set, collection and relation in Java: How would …

java null set-theory
is Set of Real Numbers Between 0 and 1 really uncountably Infinite?

Cantor's Set of Countable infinite and Uncountable infinite Infinites You may know and you may have proved that Set of …

math set infinite set-theory countable
Combining NSArrays Through Intersection and Union

I have two NSArrays A and B that share some common elements, e.g. A: 1,2,3,4,5 B: 4,5,6,7 I would like to …

objective-c nsarray union set-theory
Prolog list difference routine

I am trying to implement a list difference routine in prolog. For some reason the following fails: difference(Xs,Ys,…

list prolog set-theory
Finding symmetric difference with LINQ

I have two collections a and b. I would like to compute the set of items in either a or …

c# linq ienumerable set-theory