As I said, the only non-arbitrary starting point for knowledge to begin, which is implicit in all knowledge, is the distinction between something which is observed and ourselves as observers of it. Before we can know anything about anything, we must first observe something which we subsequently attempt to know (ie determine the nature of).
Clardan
A recent AI article in Scientific American noted that peek-a-boo is the AI holy grail. I have been thinking about that a lot recently, not only because peek-a-boo is fun to play with kids, but because an infant in the cradle can play peek-a-boo with a relative stranger and still tell the difference between self and other no matter which of them is doing the hiding. I would agree that the distinction between the observed and ourselves as observers and interpreters of what is observed is fundamental.
I think BlĂĽ is entitled to his axioms:
There is a world external to the self. The senses are capable of perceiving this world. Reason is a valid tool.They describe the reality that he observes, just as the theist is entitled to the axiom that all observations are manifestations of the will of God, and Descartes is entitled to his view that observations are manifestations of his will. I agree that BlĂĽ's axioms are probably the best description of our interactions with what we observe, but he has no greater claim to TRUTH than the bible thumpers.
I have no problem with a separate material external reality that we can discover and manipulate with science and technology. I also have no problem with a separate internal reality in other people by which they view the world. If it includes a God that watches over them and will take care of them if they pray hard enough
how hard, hard enough to make water flow uphill. Lazarus Longthat is as much their privilege as it is BlĂĽ's and mine to depend on materialistic science and technology. I find the God that many pray to is worthless, but it is still their free choice to do so. Sometimes I would like to warn them that God and Herm followers are subject to evolution just like all the other animals out there, but it would do no good, and probably annoy them in the process.