Oh I see, so we are allowed to assume certain things and then we show how what we want to deduce follows from our assumptions. Your post cleared things out, thanks.
Hello, this is my first message and I really don't know if this is the correct place to post this but I just want to see if my thought process is correct. I taught myself how to read and understand proofs but since I never got any feedback now I don't know if I'm in the right path when doing...