Are the following sets equal ?
A = {x : x is a letter in the word reap},
B = {x : x is a letter in the word paper},
C = {x : x is a letter in the word rope}
Find all the subsets of each of the following sets :
(i) A = {5,7}
(ii)B= {a,b,c}
(iii)C= {x:x∈W,x≤2}
(iv){ p:p is a letter in the word 'poor' }
(iv){ p:p is a letter in the word 'poor' } (5 marks)