Predecessor and successor in Integers

In negative numbers, the predecessor of the number is the number after it. Eg.- Predecessor of -5 is -6

In positive numbers, the predecessor of the number is the number before it. Eg.- Predecessor of 5 is 4

In negative numbers, the successor of the number is the number before it. Eg.- Successor of -5 is -4

In positive numbers, the successor of the number is the number after it. Eg.- Successor of 5 is 6