moved Abs_image to Typedef.thy; prove finite_UNIV outside the locale
moved Abs_image to Typedef.thy; prove finite_UNIV outside the locale

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle