>>10883969It was a terrible argument. You're not being precise when you use a word such as 'mind' to posit the thing that exist before all others.
Considering you said that all other things can be considered to not exist, you are implicitly using Cartesian methodological doubt, which leads to the cogito. The cogito is predicated in Descartes res cogitans(mental substance & unextended), which he contrasts with res extensa(non-mental substance/matter & extended). If you rejected Descartes, you would be trapped into solipsism, as the doubting of all other things besides 'mind' must be done by the doubter themselves, whether that doubter be a single person or the entire universe.(panpsychist/cosmopsychist) if the doubter is a person, then all existence is contingent on their being. If the doubter is the universe, the rest of your argument falls apart as it's conclusion is only reached due to The Problem of Other Minds, which is based on their being a thinking entity and other entities like it which that entity suspects could possibly have the same mental processes as they do.
The worst part of your argument is that you treat philosophical problems as if they were nomological. They are not laws, they are issues that have yet to be resolved(assuming they can be). Using problems as laws presupposes they will NEVER be solved.