If Some Journalists Are Not Respectable, Then All Journalists on the Web

question 30

Multiple Choice

If some journalists are not respectable, then all journalists on the web have work to do. Some journalists on the web lack assignments. It is not the case that something without an assignment has work to do. So all journalists are respectable.
-Which of the following claims can also be derived from the premises of this argument?

• A) (∃x)(Jx • ∼Ix)
• B) (∃x)(Wx \( \lor \) Ax)
• C) (∀x)[∼(Rx \( \lor \) Px) ⊃ Rx]
• D) (∃x)[∼Ix • ∼(Rx \( \lor \) Px)]
• E) (∀x)[∼(Rx • Px) ⊃ ∼Rx]

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Definitions:

Ordinary Annuity

A sequence of identical disbursements occurring at consecutive periods' conclusion, spanning a determined duration.

Infinite Stream

An endless sequence of cash flows, often used in the analysis of investments or financial models.

Unequal Payments

Payments that vary in amount over time, as opposed to equal or fixed payments.

Compounded Monthly

The process of adding interest to the principal sum of a loan or deposit, where the amount of the interest is calculated monthly and then added to the sum, causing interest on interest.