Definition 3.9.1 (Saturated).label Let $X,Y$ be sets, $f:X\to Y$ surjective and $E\suf X$ then $E$ is saturated with respect to $f$ if $E=f\inv (f(E))$.
Definition 3.9.1 (Saturated).label Let $X,Y$ be sets, $f:X\to Y$ surjective and $E\suf X$ then $E$ is saturated with respect to $f$ if $E=f\inv (f(E))$.
Post a Comment