1) providing proof or documentation
2) using the power of loss
3) anticipating and redirecting resistance
4) being reasonable and specific
The Latin word, <em>spec</em> means to see or to look.
Logos is an appeal to logic and is a way of persuading by reason. Concession is useful because sometimes to win you need all the assets in the room, and one of the best resources comes straight from the others mouth. It allows room for your opponents ideas and audiences beliefs. You're bridging truths to get to your point.