Question Number 101961 by Study last updated on 05/Jul/20

Commented bymr W last updated on 05/Jul/20

n(E)=0

Commented byStudy last updated on 05/Jul/20

what is the cardinal number the above set?

Commented byStudy last updated on 05/Jul/20

why?

Commented bymr W last updated on 05/Jul/20

there is no number x satisfing x∈W and x<0