You may be making this more complex than needed.
Aristotle had a basic premise that the universe has purpose. His reasoning is good given that premise (“future to past cause” eg.)
You seem to have the basic premise that the universe is purposeless.
The disageement is with the premise.
Which premise one subscribes to is based in belief and is more basic than the logic we place on top of it (since all reasoning and observation flow from the premise)
You may be making this more complex than needed. Aristotle had a basic premise that the universe has purpose. His reasoning is good given that premise (“future to past cause” eg.) You seem to have the basic premise that the universe is purposeless. The disageement is with the premise. Which premise one subscribes to is based in belief and is more basic than the logic we place on top of it (since all reasoning and observation flow from the premise)