intr/elim: use constant complexity thanks to tuned Thm.instantiate/implies_elim;
intr/elim: use constant complexity thanks to tuned Thm.instantiate/implies_elim;

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