Performs a post-order traversal of a GDL description
Performs a post-order traversal of a GDL clause
Performs a post-order traversal of a GDL constant
Performs a post-order traversal of a GDL distinct literal
Performs a post-order traversal of a GDL function
Performs a post-order traversal of a GDL literal
Performs a post-order traversal of a GDL not literal
Performs a post-order traversal of a GDL or literal
Performs a post-order traversal of a GDL proposition
Performs a post-order traversal of a GDL relation
Performs a post-order traversal of a GDL rule
Performs a post-order traversal of a GDL sentence
Performs a post-order traversal of a GDL term
Performs a post-order traversal of a GDL variable