fact: Definition axioms (a : E) := A (forall x : E, inc x (U a) -> leq a x x) (A (forall x y : E, leq a x y -> inc x (U a)) (A (forall x y : E, leq a x y -> inc y (U a)) (A (forall x y : E, leq a x y -> leq a y x -> x = y) (forall x y z : E, leq a x y -> leq a y z -> leq a x z)))).
imports: universe