a. Proof

312. The second point is proved as follows: the term ‘to which’ of this transition of the bread is not pure nothing; therefore, the bread is not annihilated.

The proof of the consequence is that the term ‘to which’ of annihilation is pure nothing. And the proof of this is by a likeness: just as the term ‘from which’ of creation is pure nothing, so the term ‘to which’ of annihilation should be pure nothing.

The proof of the antecedent is that the term of this transition is the body of Christ, because, although negation of the bread be concomitant with the term ‘to which’, yet this term is not altogether nothing but is in something positive.