Flash cards are definitely the way to go if you're trying to memorise them. Having the valid and invalid forms on index cards, and drilling them together helped me, that way I had to actually think about it rather than just look at it.
I have a little note pack of things I need to remember... biconditionals, valid/invalid argument forms! I review it every morning while I blow dry my hair! (multittasking FTW)
OP review the Valid Argument Form 4 in the "Some and Most Relationships." The inference (B) in this Q is very clear. (D) is reversal of the first sentence.
... to explicitly breakdown premises and conclusions since the questions I BR ... explicitly labeling the premises and conclusions is very helpful. In time ...
I mark up almost every question in LR that has an argument in it. I don't label anything using letters, but I do underline main conclusions and bracket premises.
... both. If you only know valid, then you have to be ... constantly looking for valid and if you don't ... you know all of the valid and invalid forms, then it ... identify an argument as either valid or invalid, all in one ...
Right @nye8870, it's especially helpful for tricky parallel flaw questions! It's best to know that A-->B, B most C, therefore A most C is an invalid argument form rather than thinking "hmm this doesn't match up with my recollection of valid arguments."
Oh so they don't take all the data from all the schools to reach those conclusions on the grids? Does that mean the chances of admissions are better or worse & is there a more realistic way to figure out your chances?