Answer:
see below
Explanation:
The following definitions apply:
if p, then q . . . . conditional statement
if q, then p . . . . converse
if ~p then ~q . . . inverse
if ~q then ~p . . . contrapositive
You have ...
p = "it is October 31"
q = "it is Halloween"
(a) The converse is ...
If it is Halloween, then it is October 31.
(b) The inverse is ...
If it is not October 31, then it is not Halloween.
(c) The contrapositive is ...
if it is not Halloween, then it is not October 31.