Equality
$$A \neq B$$
A is not equal to B
Subset
$$A \not\subseteq B$$
A is not a subset of or equal to B
Superset
$$A \not\supseteq B$$
A is not a superset of or equal to B
Intersection
$$A \cap B =$$
{ }
Union
$$A \cup B =$$
{ Confirmation bias, Processing bias, charity, faith, fasting, pilgrimage, prayer }
Symmetric Difference
$$A \ominus B =$$
{ Confirmation bias, Processing bias, charity, faith, fasting, pilgrimage, prayer }
Difference
$$A - B =$$
{ charity, faith, fasting, pilgrimage, prayer }
Difference
$$B - A =$$
{ Confirmation bias, Processing bias }
Cartesian Product
$$A \times B =$$
{ (charity, Confirmation bias),
(charity, Processing bias),
(faith, Confirmation bias),
(faith, Processing bias),
(fasting, Confirmation bias),
(fasting, Processing bias),
(pilgrimage, Confirmation bias),
(pilgrimage, Processing bias),
(prayer, Confirmation bias),
(prayer, Processing bias) }
Observation