When I originally added proposition names to mKR,
in version 7.1, I included forms like
name :: sentence ;
Version 8.2 now includes forms like
name ;
Some legal mKR propositions look like
first-order logic. For example,
if p; then q; else r; fi;
where p,q,r are proposition names.
Dick McCullough
http://mkrmke.org
http://mkrmke.org