Which Rule Is Used in the Following Inference $\frac { ( A \vee B ) \cdot [ C \supset ( D \vee F ) ] } { C \supset ( D \vee F ) }$

question 111

Multiple Choice

Which rule is used in the following inference? $\frac { ( A \vee B ) \cdot [ C \supset ( D \vee F ) ] } { C \supset ( D \vee F ) }$

• A)Simp
• B)Conj
• C)Add
• D)DS
• E)HS

---

Definitions:

Revenue

The total income generated from the sale of goods or services related to a company's primary operations.

Break-Even Point

The stage at which total costs and total revenues are exactly equal, meaning no profit nor loss is being made, having no net effect on the financial position.

Break-Even Volume

The quantity of goods or services sold at which total revenues equal total costs, resulting in neither profit nor loss.

Fixed Costs

Fixed costs refer to the expenses that do not change with the level of production or sales, such as rent, salaries, and insurance.