How many subsets of #phi# set?

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Answer 1 · 2018-04-29T11:13:38

#1#

We know that,

#(i)"The EMPTY SET"# is written by using symbol # :phi#

#(ii)# #phi# is a subset of every set.

#(iii)# Each set is a subset of itself.

#i.e. A sube A, BsubeB,...etc.#

So, #phisubephi#

Hence, #phi# has only one subset.