Set Operations and Complements (HSC SSCE Mathematics Advanced): Flashcards

$A \cap B$

Elements in both A and B

$A \cup B$

All elements from A or B or both, no repetition

Sets with no common elements

$A \cap B = \varnothing$

AND - element must be in both sets

OR - element in either set or both

$\{2, 3\}$

$\{1, 2, 3, 4\}$