# Law School Discussion

Nine Years of Discussion
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### AuthorTopic: If you need LR help...  (Read 304 times)

• Sr. Citizen
• Posts: 903
• :D
##### If you need LR help...
« on: September 26, 2006, 02:32:22 AM »
Feel free to ask away. I'll try to help explain why the answer is wrong/right and guide you through the reasoning as best as I can. This is good practise for both you and me.
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#### umass22

• Sr. Citizen
• Posts: 934
##### Re: If you need LR help...
« Reply #1 on: September 26, 2006, 02:35:43 AM »
If something says "A only if B" you always map it as "A----B"? So the "only if" signals a necessary clause, and the other thing is the sufficient?

• Sr. Citizen
• Posts: 903
• :D
##### Re: If you need LR help...
« Reply #2 on: September 26, 2006, 02:42:44 AM »
If something says "A only if B" you always map it as "A----B"? So the "only if" signals a necessary clause, and the other thing is the sufficient?
exactly.
The a phenomena can only occur with the presence of b. B is that necessary clause.
Excuse me, I just noticed you noticing me and I just wanted to give you notice that I noticed you too.

#### n/a

• Sr. Citizen
• Posts: 1910
##### Re: If you need LR help...
« Reply #3 on: September 26, 2006, 02:49:19 AM »
A only if B...

If A occurs, then B must have occured as well

B can occur and still not mean A happened.

It rains only if its cloudy.

If its cloudy, its not necessarily raining, but if its raining, then its cloudy... ya see?

• Sr. Citizen
• Posts: 903
• :D
##### Re: If you need LR help...
« Reply #4 on: September 26, 2006, 03:12:22 AM »
A only if B...

If A occurs, then B must have occured as well

B can occur and still not mean A happened.

It rains only if its cloudy.

If its cloudy, its not necessarily raining, but if its raining, then its cloudy... ya see?

haha precisely...let's reiterate it some more...it's kinda fun.
Excuse me, I just noticed you noticing me and I just wanted to give you notice that I noticed you too.