Sufficient & Necessary Questions - - Question 23

Politician:  Unless our nation redistributes wealth, we will be unable to alleviate economic injustice and our curren...

AnthonyH June 23, 2020

All That is Required Clarification - Option E?

Hi folks, Can I get some help on this. I have two questions. 1) Is the phrase "All that is required" the same as "The Only" or is this to be viewed as the single necessary condition for the sufficient statement? I interpreted option E to mean the only necessary condition to create economic justice (AEI) is national redistribution of wealth (NRW). Diagrammed as follows: AEI -> NRW. NRW being the only condition to the right of AEI. 2) Based on the passage what is the relationship between intolerable economic inequalities (IEI) and alleviating economic injustice? When diagramming the logic chain, I initially ended up with: P1: AEI -> NRW Not NRW -> AEI P2: Not AEI -> IEI Not IEI -> AEI P3: IEI -> SIRV Not SIRV -> Not IEI Transitive: Not NRW -> Not AEI -> IEI -> SIRV Not SIRV ->Not IEI -> AEI -> NRW From the transitive, does it not follow that NRW is the ultimate necessary condition for AEI? We can thus conclude that for economic justice to exist, national redistribution of wealth must exist. I have read both @Mehran's responses and @Shune's but do not see how we can conclude that option B is the right answer. NRW is the necessary condition and we're not able to conclude the necessary condition from the sufficient conditions that precede it. Please help me understand where I went sideways. Thanks you in advance, Anthony

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Ravi June 23, 2020

@AnthonyH,

Let's take a look.

Diagramming (E), we have

redistribute wealth-->create conditions of economic justice

The problem with (E) is that although we know that redistribution of
wealth is one thing that's necessary, we don't have any idea if there
are other things that are also necessary. While not redistributing
wealth necessarily leads to conditions of economic injustice, there's
no guarantee that redistributing wealth is sufficient to create
justice.

Since wealth redistribution is a necessary, but not sufficient,
condition for justice, (E) is a mistaken reversal of the conditional
chain. Thus, (E) is out.

In diagramming the stimulus, we have

nation doesn't redistribute wealth-->unable to alleviate economic
injustice and current system will lead to intolerable economic
inequities

intolerable inequities-->violence to coerce social reform

our nation's responsibility to alleviate conditions that would give
rise to violent attempts at social reform

These statements can be joined in the transitive. The resulting
principle is that if we do not redistribute wealth, then we will have
violence. The contrapositive of this is that if we do not have
violence, then we must redistribute wealth.

The politician ends her argument by telling us that we have to do
whatever is necessary to stop violence. The contrapositive we
identified above tells us that redistributing wealth is necessary, as
it's the necessary condition. Therefore, the politician believes that
we must redistribute wealth.

(B) says, "It is our nation's responsibility to redistribute wealth."

(B) is the logical implication of the politician's argument, so it must be true.

Hope this helps. Let us know if you have any other questions!

AnthonyH June 25, 2020

Thanks, @Ravi. I now see how the politician's argument leads us to answer B - redistributing wealth through the contrapositive. What I'm not understanding is how you used the transitive to connect "alleviating economic justice" to "violence to coerce social reform".

Did we simply equate alleviating economic injustice to be the same as intolerable inequities?

Finally, is it safe to say that alleviating economic injustice is sufficient for creating national redistribution of wealth? And is this the same as stating that the national redistribution of wealth is necessary for creating economic justice?

i.e. AIE -> NRW

Thanks again!

Rarehonesty July 16, 2020

Is there a explanation. No video and no review answer section on my version.

Rarehonesty July 16, 2020

Is there a explanation. No video and no review answer section on my version.

Rarehonesty July 16, 2020

Is there a explanation. No video and no review answer section on my version.

Rarehonesty July 16, 2020

Is there a explanation. No video and no review answer section on my version.

Rarehonesty July 16, 2020

Found exp. under All Review. No video or Review exp. Another error in your stuff.

Victoria July 25, 2020

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