Question

If A={x : x is a natural number} and B={x : x is an even natural number} C={x : x is an odd natural number}

then express (i) A∪B (ii) A∩B (iii) A−B (iv) B−A (v) A−C in terms of A, B, C and ∅.​

Answer 1

1. x:x is a natural number
2. x:x is an even natural number
3. x:x is a odd natural number
4. x:x is a odd natural number
5. x:x is an even natural number