ISP stands for
Instructions Set Processor
Information Standard Processing
Interchange Standard Protocol
Interrupt Service Procedure
For an integer n, if n is even, then n3 – 1 is odd
For an integer n, if n is even, then n3 – 1 is even.
For an integer n, if n3 – 1 is not even, then n is not odd
For an integer n, if n is odd, then n3 – 1 is even.