Extremely improbable events must be macroscopically (simply) describable to be forbidden.
Sometimes the best way to learn is when you’re having fun and don’t even realize that you’re learning.
Can you be bald in one universe and fully haired in another? Can you have two eyeballs in this universe and three in another? The answer is no.
“Any paper that discusses or describes singularities in the field equations of general relativity is discussing extra-natural objects.”
Travis considers the history of Western thinking from Pythagoras and the pre-Socratic philosophers to Philo of Alexandria and onward.