proper subsets
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Create three sets, set A, set B, and set C by going through the items in a wallet or purse.
Set A will be a list of all of these items.
Create Set B, from the items in Set A that you think are essential.
Create Set C, by taking the complement of Set B in Set A, i.e. all of the non-essential items in a wallet or purse.
Are sets B and C proper subsets of set A? Explain.
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Solution Summary
Assess as proper subsets.
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Solution:
A = {money, credit card, debit card, driving license, social security card, coins, old bills, photos, visiting cards}
For me essential items are money, credit card, debit card, driving license and ...
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