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Question-101961




Question Number 101961 by Study last updated on 05/Jul/20
Commented by mr W last updated on 05/Jul/20
n(E)=0
$${n}\left({E}\right)=\mathrm{0} \\ $$
Commented by Study last updated on 05/Jul/20
what is the cardinal number the above   set?
$${what}\:{is}\:{the}\:{cardinal}\:{number}\:{the}\:{above}\: \\ $$$${set}? \\ $$
Commented by Study last updated on 05/Jul/20
why?
$${why}? \\ $$
Commented by mr W last updated on 05/Jul/20
there is no number x satisfing  x∈W and x<0
$${there}\:{is}\:{no}\:{number}\:{x}\:{satisfing} \\ $$$${x}\in{W}\:{and}\:{x}<\mathrm{0} \\ $$

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