Im looking for the cardinality of a Set where X is an element of the Real Numbers such that lxl = -1..... what's this mean ?!
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Im looking for the cardinality of a Set where X is an element of the Real Numbers such that lxl = -1..... what's this mean ?!
HINT: There is no real number such that
Quote:
Originally Posted by Plato
HINT: There is no real number such that
So, Would it just be the empty Set ?
Well, YES.