Consider a fair division problem involving five players. The phrase "a player receives a fair share" describes the fact that
◦ the player receives a share that, in every player's opinion, has a value that is equal to 20% or more of the total.
◦ the player receives a share that, in that player's own opinion, has a value that is equal to 20% or more of the total.
◦ the player receives a share that, in that player's own opinion, has a value that is exactly equal to 20% of the total.
◦ the player receives a share that is at least as valuable as that of any other player.
◦ none of these