if you understand the meaning of path-connected, this should be clear.
what do you think is the answer?
How many of the (upper or lower case) letters of the
alphabet are not path-connected?
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
2 answers
I'm not sure I have a clear understanding. Because it looks like zero to me, but I wasn't sure.