message: Add convenience predicates
diff: from_term Context (core.format_elim SourceType) (type' (stratified.format_elim TargetType)) :-
  from_term_to_format Context SourceType TargetType.
  +
  + % Convenience predicates
  +
  + from_term_to_kind : core.term -> stratified.kind -> prop.
  + from_term_to_kind Source Target :-
  + from_term_to_kind (context []) Source Target.
  +
  + from_term_to_type : core.term -> stratified.type' -> prop.
  + from_term_to_type Source Target :-
  + from_term_to_type (context []) Source Target.
  +
  + from_term_to_term : core.term -> stratified.term -> prop.
  + from_term_to_term Source Target :-
  + from_term_to_term (context []) Source Target.
  +
  + from_term_to_format : core.term -> stratified.format -> prop.
  + from_term_to_format Source Target :-
  + from_term_to_format (context []) Source Target.
  +
  + from_term : core.term -> stratified -> prop.
  + from_term Source Target :-
  + from_term (context []) Source Target.
  +
  %end.
  