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)
... both. If you only know valid, then you have to be ... constantly looking for valid and if you don't ... know all of the valid and invalid forms, then it may be ... identify an argument as either valid or invalid, all in one ...
... lessons on conditional logic, valid/invalid argument forms. To me, having a ... note of all the valid and invalid argument forms as well. Doing ... , none, etc) and the arguments forms are what got me there ...
Yeah you are correct--you can conclude that. It really helped me to hone in and memorize the combinations of some and most intersections so that when I went to a stimulus, I was able to immediately see what forms were valid and which ones were not.