
Grammar Name: distribution.bnf
Extension Name: distribution.def
Grammars required by Process Descriptions: precond.bnf

< universal_axiom > ::= (forall (?s) (if (legal ?s) < distribution_formula>))(restricted ?a)
< restricted_axiom > ::= (forall (?s) (if < successor_axiom > < distribution_formula>))
< distribution_formula > ::= (exists (?occ) (and (occurrence ?occ ?a) (root_occ ?s ?occ)))