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Other input terms : A union B, A intersect B, A', P(A), A - B, A delta B, A cross B, |A|, 1 belongsto A, A subset B, (A union B)' = A' intersect B'
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Find A={x<=5, x in N}, B={2<=x<=8, x in N}, find A subset B

Solution:
Your problem `->` A={x<=5, x in N}, B={2<=x<=8, x in N}, find A subset B


`A={x<=5, x in n}`
`:.A={1,2,3,4,5}`

`B={2<=x<=8, x in n}`
`:.B={2,3,4,5,6,7,8}`

is `A sub B ?`

If A and B are sets and if every element of A is an element of B, then we can say that A is a subset of B.

Here `1inA` but `1!inB`, so we can say that `A` is not subset of `B.`






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