$A \setminus B \cup C = A \setminus (B \cup C)$?
93501
Order of precedence of set operators
154698
Union of Cartesian products: $X \times (Y \cup Z)= (X \times Y) \cup(X\times Z)$
70278
$A\subseteq B\to C\setminus B\subseteq C\setminus A\,$ -- how to prove this?
75604
Proof that $\partial(A\times B) = ((\partial A)\times B)\cup (A\times(\partial B))$
21229
If an element is not in the set difference $A\setminus B \: \:?$
118239
If $A, B, C$ are sets prove that $(A\setminus B)\setminus C\subseteq A\setminus(B\setminus C)$
60707
Show that if $ \ A \cup B = A$ and $ \ A\cap B = A$ then $ \ A = B$
26766
Proving : $A \cap (B-C) = (A \cap B) - (A \cap C)$
33542
When is $A- B = B- A$?
13253
Prove $f(S \cup T) = f(S) \cup f(T)$
145966
Find $P(A\ xor\ B\ |\ A\ \cup\ B)$
70307
$(A\cap B)\cup C = A \cap (B\cup C)$ if and only if $C \subset A$
27899
Can we prove the existence of $A\cup B$ without the union axiom?
56399
Proof for $A \cup B = B$ if and only if $A \subset B$
51321
Prove that $A = B = C = D$
77902
If $A,B,$ and $C$ are sets, then $A\times(B-C)$ = $(A \times B)$ $-$ $(A \times C)$.
16749
Let $A_i= \left \{...,-2,-1,0,1,...,i \right\}$. Find $\bigcup_{i=1}^{n} A_i$ and $\bigcap_{i=1}^{n} A_i$