Question

Find the predecessor of each of the following integers:

(i) 0
(ii) 1
(iii) −1
(iv) −125
(v) 1000

Answer 1

For the integer a, the predecessor is (a − 1).
(i) −1 is the predecessor of 0.
(ii) 0 is the predecessor of 1.
(iii) −2 is the predecessor of −1.
(iv) −126 is the predecessor of −125.
(v) 999 is the predecessor of 1000.