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
RA Basic set theory
Set Notation Worksheets, Questions and Revision
The set $\left( {A \cup B \cup C} \right) \cap \left( {A
Complement (set theory) - Wikiwand
The ( left( A cap B ^ { prime } right) ^ { prime } cup ( B cap C
1. Commutative Laws: For all sets A and B, (a)
The set $\left( {A \cup B \cup C} \right) \cap \left( {A
RA Basic set theory
For sets (A cup B) cup ( A cap B) equals, 12
SOLVED: Prove that for all sets A and B, (A∪B)ᶜ = Aᶜ ∩ Bá
Union (set theory) - Wikipedia
1) Is $(A \cup B) \cup C = A \cup (B \cup C)?$(2) Is $(A \cap