Question

how to represent a non empty set

Answer 1

Step-by-step explanation:

Prepare the Ledger Account of Mr.Hari and Creditors A/c Opening balance of Mr.Hari ( Debtor) Rs.5,000 1. Purchased goods from creditor Rs.20,000 2. Returned goods worth Rs. 5,000 to the creditor. 3. Paid cash to creditor Rs.14,800 in full settlement. 4. Sold goods on credit to Mr.Hari Rs.10,000 5. Hari returned goods worth Rs.5,000 6.Received Cash from......

Answer 2

.....It is perfectly fine to write |A|>0. However, the simplest and most common way to write this in symbols would be A≠∅. Note that you don't want to write |A|≠∅, as it is A itself which you are saying is not the empty set, rather than the cardinality of A.

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