Hi,
I am interested to find out if there is a way I can search for questions inside the 7sage database by difficulty level. When you look at the video explanations, you notice the round bubbles that indicate difficulty. Is there a way to filter the questions based on that?
Thank you for your response.
So, in weakening questions, the author has left his analysis/theory incomplete. With that incomplete theory, he goes on to make a strong conclusion. Hence, there is no reason to believe that the conclusion is supported by the theory.
Does this mean, we can break this compound conditional statement into:
if X, then not Y
if X, then not Z
To simplify: (-a -> b) -> c, think of the expression (-a -> b) as y. That is, y=(-a -> b). Then, we get
y -> c,
or, -c -> -y (taking contrapositive)
or, -c -> (-a -> b)
or, -c AND -a -> b
I am interested as well guys. I work downtown and live in Reston.