Ok, so what's the discussion going to consist of? Doesn't seem like there's much material to work with.
Hmm, you are right in the sense that the argument will be nowhere as long as it's counterpart "soundness" one.
Probably like this, Since I am the instigator, I will state why i believe that it is valid and my opponent has to undermine me?
We will start with an opening statement each clarifying the conditions of the debate, if we agree upon conditions then we will proceed.
We shall end with closing statements.
I.e., if it was me vs you.
(1) Qtian sets conditions
(2) Ozzy sets conditions
(3) they agree/disagree
(4) Qtian first argument.
(5) Ozzy's rebuttal.
(6) Second argument / addressing your rebuttal.
(7) your response
Finally, 8. closing statements.