Find the component statements of the following compound statements.
(i)   The sky is blue and the grass is green.
(ii)  It is raining and it is cold.
(iii) All rational numbers are real and all real numbers are complex.
(iv) 0 is a positive number or a negative number.

Explanation

(i) The components of the compound statement are:
P: The sky is blue.
Q: The grass is green.
(ii) The components of the compound statement are:
P: The earth is round.
Q: The sun is cold.
(iii) The components of the compound statement are:
P: All rational number is real.
Q: All real number are complex.
(iv) The components of the compound statement are:
P: 25 is multiple of 5.
Q: 25 is multiple of 8.