Try tabooing exist: you might find out that you actually disagree on fewer things than you expect. (I strongly suspect that the only real differences between the four possibilities in this is labels -- the way once in a while people come up with new solutions to Einstein's field equations only to later find out they were just already-known solutions with an unusual coordinate system.)
Try tabooing exist
I've not yet found a good way to do that. Do you have one?
Here's the new thread for posting quotes, with the usual rules: