Well, you can take “the map is not the territory” as a premise of a system of beliefs, and assign it a probability of 1 within that system, but you should not assign a probability of 1 to the system of beliefs being true.
Of course, there are some uncertainties that it makes essentially no sense to condition your behavior on. What if everything is wrong and nothing makes sense? Then kabumfuck nothing, you do the best with what you have.
Well, you can take “the map is not the territory” as a premise of a system of beliefs, and assign it a probability of 1 within that system, but you should not assign a probability of 1 to the system of beliefs being true.
Of course, there are some uncertainties that it makes essentially no sense to condition your behavior on. What if everything is wrong and nothing makes sense? Then kabumfuck nothing, you do the best with what you have.