  A very important characteristic regarding attributes is established in 2P7 and its scholium, which is sometimes referred to in the literature as the “parallelism doctrine.” However, as will be discussed in  Section 1.9.2, this nomenclature is laden with a significant amount of interpretative bias and the term is nowhere to be found in the Ethics itself. It is thus advisable to stay clear of it and simply refer to it as “the 2P7 Doctrine.” 2P7 states: “The order and connection of ideas is the same as the order and connection of things,” (“ordo, &amp; connexio idearum idem est, ac ordo &amp; connexio rerum”). Spinoza explains this proposition in the scholium: