 Notice again the reference to the idea that the antecedent may include/contain the consequent (in natural consequences). One may conjecture that Burley sought to neutralize Ockham’s distinction between formal and material consequences in terms of intrinsic and extrinsic middles by formulating the traditional distinction between natural and accidental consequences in terms of containment and intrinsic/extrinsic topics. Moreover, when discussing the notion of formal consequence later in the text (pp. 171–173, replying to a possible objection), Burley seems to be criticizing Ockham’s definition of material consequences as those which hold solely in virtue of the meaning of terms: