tuned instantiate (avoid subst_atomic, subst_atomic_types); Logic.incr_tvar;
tuned instantiate (avoid subst_atomic, subst_atomic_types);
Logic.incr_tvar;

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