Determine whether the following are True or False:

a$)$ B $=\{1,3,5\}3$element of$$ B

b$)$ According to DeMorgan's law in set theory, the

statement $($A $$union$$B$)\text{'}$ is equal to A$\text{'}$union$$ B$\text{'}$

c$)15$element of$\{1,3,5,7,9,11,...\}$

d$)3\{$x $|$x and x is odd$\}$

e$)\{\}$element of$\{2,4,6,8\}$

f$)\{2,4,6,8\}$subset of$\{2,4,8,6\}$