elementary set theory - $(A\cap B)\cup C = A \cap (B\cup C)$ if

I have a set identity: $(A \cap B) \cup C = A \cap (B \cup C)$ if and only if $C \subset A$. I started with Venn diagrams and here is the result: It is evident that set identity is correct. So I

Prove the following set-theoretic identities for union and i

Mathematical Proof/Print version - Wikibooks, open books for an

Set Algebra

Venn Diagrams and Logical Connectives

How to prove that A∪B=A∩C+B' if A, B, C are three sets that have

Complement (set theory) - Wikipedia

Let A, B, and C denote sets. Prove the following: a. $A ime

Solved 3) A∪(B∩C)=(A∪B)∩(A∪C) 4) A∩(B∪C)=(A∩B)∪(A∩C) 5