Dati gli insiemi A = {3, 4, 5, 6, 27}, B = {11, 72, 3, 4, 6, 121}, calcola [(A - B) unito (B-A)]
RISULTATO:{11, 72, 5, 27, 121}
Dati gli insiemi A = {3, 4, 5, 6, 27}, B = {11, 72, 3, 4, 6, 121}, calcola [(A - B) unito (B-A)]
RISULTATO:{11, 72, 5, 27, 121}
Α ≔ {3, 4, 5, 6, 27}
Β ≔ {11, 72, 3, 4, 6, 121}
Α \ Β = {5, 27}
Β \ Α = {11, 72, 121}
(Α \ Β) ∪ (Β \ Α) = {5, 11, 27, 72, 121}
Dati gli insiemi
* A = {3, 4, 5, 6, 27}
* B = {3, 4, __ 6, 11, 72, 121}
si ha
* A - B = {5, 27}
* B - A = {11, 72, 121}
* (A - B) ∪ (B - A) = {5, 11, 27, 72, 121}
$A \ \Delta \ B = (A \smallsetminus B)\cup (B\smallsetminus A) =(A\cup B)\smallsetminus (A\cap B)$
$A \ \Delta \ B =\left\{ 3,4,5,6,11,27,72,121 \right\} \smallsetminus \left\{ 3,4,6 \right\} =\left\{ 5,11,27,72,121 \right\}$