tuned; elimination rule subset_imageE; typical composition collapsing rewrite order in lemma image_image_eq_image_comp; destruction rules ball_imageD, bex_imageD
tuned;
elimination rule subset_imageE;
typical composition collapsing rewrite order in lemma image_image_eq_image_comp;
destruction rules ball_imageD, bex_imageD

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