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Consider the partition of a set having 3 block of 5 elements each, 4 block of 2 elements each and 2 block of 3 elements in each block.
Find the cardinality of equivalence relation.
in Set Theory & Algebra retagged by
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$5^2*3+4*2^2+2*3^2=75+16+18=109$
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can you please explain
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