Welcome to the methodology for justifying anything, really.
It's quite simple, you see. Just take any given statement, assumptions are optional, and add a few well-timed footnotes.
Assume anything. The sky is blue, the grass is green, counterarguments are unnecessary.
Rationalize your assumption with a few fallacies.
Justify your rationalization with a few more footnotes. Now you're justified.
Go ahead, next steps are here.