A donkey stands exactly halfway between two identical piles of hay and starves, with no reason to prefer either. It’s named after the fourteenth-century philosopher Jean Buridan, but it isn’t in anything he wrote. His critics invented it to make fun of him.
How to play it
Help the donkey decide. Try gathering more data first.
That’s the whole collection examined, every room. Now imagine doing this with your own life, for a year, with two people who come to know it well. That’s membership.