Proofs should be in DAG form, but starting a presentation from first principles seems like overkill. If your audience isn't at least as interested already inter

Proofs should be in DAG form, but starting a presentation from first principles seems like overkill. If your audience isn't at least as interested already interested in your side, they aren't going to be baby stepped through ever layer, especially when the first layers are the lowest levels. Probably the same still holds if you flip the DAG and start with the conclusion, as you've already mentioned. People are going to tune out if you are presenting an opposing argument. I don't think there's a great formula for arguments. You have to know your audience and pick your battles. Maybe the next best thing is making clear what you want/don't want and making clear what you believe others want/don't want and trying to find options that maximize as many of those constraints as possible. I think a lot of arguments stem from people who are already in agreement about most things.