3 posts • Page 1 of 1
- Posts: 287
- Joined: Wed Jul 14, 2010 3:54 am
jim-green wrote:Has anyone done PT28 LR S1 #20? What makes ans A correct?
W --> PC (Weak --> Prices constant)
W --> UR (Weak --> Unemployment rises)
UR --> ID (Unemployment Rises --> Investment Decreases)
Conclusion: Investment does not decrease.
By negating this you get ~ID --> ~UR --> ~W
(A) States that the economy is weak or investment is decreasing, but we know from our negation that investment is NOT decreasing therefore we can deduct that the economy is NOT weak. (A) is not a possibility and must be false.
Who is online
Users browsing this forum: No registered users and 11 guests