# File lib/symetrie_com/acts_as_better_nested_set.rb, line 462
        def child?                          
          parent_id = self[parent_col_name]
          !(parent_id == 0 || parent_id.nil?) && (self[left_col_name] > 1) && (self[right_col_name] > self[left_col_name])
        end