the FOF dialect
fof_and_formula
fof_arguments
fof_binary_nonassoc
fof_defined_atomic_term
fof_defined_infix_formula
fof_defined_plain_formula
fof_formula
fof_infix_unary
fof_or_formula
fof_plain_atomic_formula
fof_quantified_formula
fof_system_atomic_formula
fof_variable_list
fof_atomic_formula
fof_binary_assoc
fof_binary_formula
fof_defined_atomic_formula
fof_defined_plain_term
fof_defined_term
fof_function_term
fof_logic_formula
fof_plain_term
fof_quantifier
fof_system_term
fof_term
fof_unary_formula
fof_unit_formula
fof_unitary_formula