1. (∃X)Qx ⊃ (∀X)(Rx ⊃ Sx)

question 184

Multiple Choice

1. (∃x) Qx ⊃ (∀x) (Rx ⊃ Sx)
2. (∀x) ∼Qx ⊃ (∃x) Sx
3. (∀x) Rx / (∃x) Sx
-Which of the following propositions is not a likely last line of the indented sequence for an indirect proof of the given argument?

• A) Rx • ∼Rx
• B) Qx • ∼Qx
• C) Rb • ∼Rb
• D) Qb • ∼Qb
• E) Sx • ∼Sx

---

Definitions:

Feedback

Information provided as a response to an action or behavior, intended to guide future actions.

Tensions

The state of being stretched tight, often referring to mental or emotional strain resulting from challenging situations.

Obliging

Willingness to do a service or kindness; readily performing favors or good deeds.

Concern

A matter of interest or importance to someone.