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State the reasons for the following : ...

State the reasons for the following :
(i) {1,2,3.....10} `ne {x : x ne N and 1 lt x lt 10}`
(ii) {2,4,6,8,10} `ne {x: x =2n+1 and x ne N}`
(iii) {5,15,30,45} `ne` {x : x is a multiple of 15}
(iv) {2,3,5,7,9} `ne` {x : x is a prime number}

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