1 P ⊃ (Q ⊃ R)
2 $\lor$ ∼T) $\lor$

Multiple Choice

1. P ⊃ (Q ⊃ R)
2. ∼(R ⊃ S) ⊃ ∼T
3. (U $\lor$ ∼T) $\lor$ ∼(Q ⊃ S) / ∼U ⊃ ∼(P • T)
-Which of the following propositions is a likely last line of the indented sequence for an indirect proof nested within an indented sequence for conditional proof for the given argument?

A) P • ∼P
B) Q • ∼Q
C) T • ∼T
D) All of the above
E) Options B and C, but not option A