- Get rid of all words like “rationalism”, “reasonablness”, “empiricism”, “telology”, or any / most scientific and philiophical terminology. There is a good chance everyone will be talking past one another. This must be demanded, or you will be in an uphill battle.
Speak as plainly and colloquially as possible. Most scientific jargon in this discussion will be empty symbols (as they will not be effectively communicated inter-subjectively) or simple appeals to authority.
- Simply discuss how things work, and what can and can not be said about such things. Talk of the nature of how things are manipulated, and why that is the case, etc etc.
If you are satisfied with the results be gracious and let your sparring partner name what he wants to call these conclusions. If he wants to call them “the emperor of china”, “socialism”, “anarcho capitalism”, “empiricism”, so be it - it does’t matter.
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Leave all ethics, aesthetics, and political theories out of it. Do not enter them into the conversation, and do not allow them to be thrown into the conversation. There is no need for them, and they will only confuse matters. Be militant about not letting such trivia slip into the conversation.
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Do not speculate on the future, and take all of history off the table to be discussed. This is useless pondering.