  Constituency for states of affairs is understood as for facts.  Additionally, analogous to molecular facts, there are molecular  states of affairs — conjunctions of atomic states of affairs.  Inclusion between states of affairs is understood exactly as it is  between facts and being a bare particular in a molecular  state of affairs s is understood as for facts: a is a  bare particular in s if there is no monadic conjunct of  s of the form a exemplifies F. The notion of  recombination is now definable straightaway: 