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
Correct Answer:

Verified
Correct Answer:
Verified
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