1. A = {x<=5; x in N}, B = {1<=x<=8; x in N}, Prove that A = B ...
Solution:
`A={x<=5; x in N}`
`:.A={1,2,3,4,5}`
`B={1<=x<=8; x in N}`
`:.B={1,2,3,4,5,6,7,8}`
To find LHS = `A`
`:. A = {1,2,3,4,5} ->(1)`
To find RHS = `B`
`:. B = {1,2,3,4,5,6,7,8} ->(2)`
From (1) and (2)
`:. A != B`
This material is intended as a summary. Use your textbook for detail explanation.
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