Question

if a is subset of b, b is subset of c and c is subset of a then prove that a=b=c
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Answer 1

Answer:

if a€b a(=<)b

b€c b(=<)c

c€a c(=<)a

if a<b<c it is impossible

so,a=b=c

(proved)

Step-by-step explanation:

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