The Following Inference Is an Application of Which Rule? ~(X)~Px $\exists$

question 30

Multiple Choice

The following inference is an application of which rule? ~(x) ~Px.Therefore, ( $\exists$ x) Px.

• A)quantifier negation
• B)universal instantiation
• C)existential generalization
• D)existential instantiation
• E)universal generalization

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Definitions:

Laundry Services

A service offering washing, drying, and often ironing of clothes and linens for customers.

Stockholders

Owners of a corporation due to their purchase of stock in the corporation.

Family-Owned Businesses

Enterprises owned and operated by members of one or more families, often passed down through generations.

Closed Corporations

A type of corporation that is held by a few owners, does not offer its stocks for public sale, and is exempt from certain regulations.