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

question 193

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 propositions is an immediate (one-step) consequence in M of the given premises?

• A) (Jx • Ix) • ∼Ax
• B) (∀x)∼(∼Ax • Wx)
• C) ∼Aa • Wa
• D) (Ja • ∼Ra) ⊃ (∀x)[(Jx • Ix) ⊃ Wx]
• E) (∃x)(Jx • ∼Rx) ⊃ ∼(∀x)∼[(Jx • Ix) ⊃ Wx]

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Definitions:

Median Age

The age that divides a population into two numerically equal groups; half the people are older than this age and half are younger.

Probability

The likelihood or chance of an event occurring.

Randomly Selected

Chosen in such a way that every member of a population has an equal chance of being included in the sample.

Presidential Election

A presidential election is the process by which a country or a political entity elects the head of state or president.