removed mk_prodT, mk_not (cf. HOL/hologic.ML); tuned;
removed mk_prodT, mk_not (cf. HOL/hologic.ML);
tuned;

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