$11.$ Let p and q be the propositions

p : It is below freezing.

q : It is snowing.

Write these propositions using p and q and logical con$-$

nectives $($including negations$).$

a$)$ It is below freezing and snowing.

b$)$ It is below freezing but not snowing.

c$)$ It is not below freezing and it is not snowing.

d$)$ It is either snowing or below freezing $($or both$).$

e$)$ If it is below freezing, it is also snowing.

f $)$ Either it is below freezing or it is snowing, but it is

not snowing if it is below freezing