Commentaria in Primam Partem Summae Theologiae
Tommaso de Vio Cajetan (1469–1534)
First published 1507
Cajetan's Commentaria in Primam Partem Summae Theologiae offers an article-by-article exposition of Aquinas's Prima Pars. Its discussions of sacred doctrine, analogy, divine knowledge, and creation became important reference points in the later Thomist tradition. The present digital edition follows the Latin text of the Leonine edition and includes English and Spanish translations. Coverage is currently partial.
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Praefatio ad Oliverium Carrafam
In Prooemium Summae Theologiae
Quaestio I: De sacra doctrina, qualis sit, et ad quae se extendat
Articulus I: Utrum sit necessarium, praeter philosophicas disciplinas, aliam doctrinam haberi
Articulus II: Utrum sacra doctrina sit scientia
Articulus III: Utrum sacra doctrina sit una scientia
Articulus IV: Utrum sacra doctrina sit scientia practica
Articulus V: Utrum sacra doctrina sit dignior aliis scientiis
Articulus VI: Utrum haec doctrina sit sapientia
Articulus VII: Utrum deus sit subiectum huius scientiae
Articulus VIII: Utrum haec doctrina sit argumentativa
Articulus IX: Utrum sacra scriptura debeat uti metaphoris
Articulus X: Utrum sacra scriptura sub una littera habeat plures sensus
Quaestio II: De Deo, an Deus sit
Articulus I: Utrum Deum esse sit per se notum
Articulus II: Utrum Deum esse sit demonstrabile
Articulus III: Utrum Deus sit
Quaestio III: De Dei simplicitate
Articulus I: Utrum Deus sit corpus
Articulus II: Utrum in Deo sit compositio formae et materiae
Articulus III: Utrum sit idem Deus quod sua essentia vel natura
Articulus IV: Utrum in Deo sit idem essentia et esse
Articulus V: Utrum Deus sit in genere aliquo
Articulus VI: Utrum in Deo sint aliqua accidentia
Articulus VII: Utrum Deus sit omnino simplex
Articulus VIII: Utrum Deus in compositionem aliorum veniat
Quaestio IV: De Dei perfectione
Articulus I: Utrum Deus sit perfectus
Articulus II: Utrum in Deo sint perfectiones omnium rerum
Articulus III: Utrum aliqua creatura possit esse similis Deo
Quaestio V: De bono in communi
Articulus I: Utrum bonum differat secundum rem ab ente
Articulus II: Utrum bonum secundum rationem sit prius quam ens
Articulus III: Utrum omne ens sit bonum
Articulus IV: Utrum bonum habeat rationem causae finalis
Articulus V: Utrum ratio boni consistat in modo, specie et ordine
Articulus VI: Utrum convenienter dividatur bonum per honestum, utile et delectabile
Quaestio VI: De bonitate Dei
Articulus I: Utrum esse bonum Deo conveniat
Articulus II: Utrum Deus sit summum bonum
Articulus III: Utrum esse bonum per essentiam sit proprium Dei
Articulus IV: Utrum omnia sint bona bonitate divina
Quaestio VII: De infinitate Dei
Articulus I: Utrum Deus sit infinitus
Articulus II: Utrum aliquid aliud quam Deus possit esse infinitum per essentiam
Articulus III: Utrum possit esse aliquid infinitum actu secundum magnitudinem
Articulus IV: Utrum possit esse infinitum in rebus secundum multitudinem
Quaestio VIII: De existentia Dei in rebus
Articulus I: Utrum Deus sit in omnibus rebus
Articulus II: Utrum Deus sit ubique
Articulus III: Utrum Deus sit ubique per essentiam, praesentiam et potentiam
Articulus IV: Utrum esse ubique sit proprium Dei
Quaestio IX: De Dei immutabilitate
Articulus I: Utrum Deus sit omnino immutabilis
Articulus II: Utrum esse immutabile sit Dei proprium
Quaestio X: De Dei aeternitate
Articulus I: Utrum convenienter definiatur aeternitas, quod est interminabilis vitae tota simul et perfecta possessio
Articulus II: Utrum Deus sit aeternus
Articulus III: Utrum esse aeternum sit proprium Dei
Articulus IV: Utrum aeternitas differat a tempore
Articulus V: De differentia aevi et temporis
Articulus VI: Utrum sit unum aevum tantum
Quaestio XI: De unitate Dei
Articulus I: Utrum unum addat aliquid supra ens
Articulus II: Utrum unum et multa opponantur
Articulus III: Utrum Deus sit unus
Articulus IV: Utrum Deus sit maxime unus
Quaestio XII: Quomodo Deus a nobis cognoscatur
Articulus I: Utrum aliquis intellectus creatus possit Deum videre per essentiam
Articulus II: Utrum essentia Dei ab intellectu creato per aliquam similitudinem videatur
Articulus III: Utrum essentia Dei videri possit oculis corporalibus
Articulus IV: Utrum aliquis intellectus creatus per sua naturalia divinam essentiam videre possit
Articulus V: Utrum intellectus creatus ad videndum Dei essentiam aliquo creato lumine indigeat
Articulus VI: Utrum videntium essentiam Dei unus alio perfectius videat
Articulus VII: Utrum videntes Deum per essentiam ipsum comprehendant
Articulus VIII: Utrum videntes Deum per essentiam omnia in Deo videant
Articulus IX: Utrum ea quae videntur in Deo a videntibus divinam essentiam per aliquas similitudines videantur
Articulus X: Utrum videntes Deum per essentiam simul videant omnia quae in ipso vident
Articulus XI: Utrum aliquis in hac vita possit videre Deum per essentiam
Articulus XII: Utrum per rationem naturalem Deum in hac vita cognoscere possimus
Articulus XIII: Utrum per gratiam habeatur altior cognitio Dei quam ea quae habetur per rationem naturalem
Quaestio XIII: De nominibus Dei
Articulus I: Utrum aliquod nomen Deo conveniat
Articulus II: Utrum aliquod nomen dicatur de Deo substantialiter
Articulus III: Utrum aliquod nomen dicatur de Deo proprie
Articulus IV: Utrum nomina dicta de Deo sint nomina synonyma
Articulus V: Utrum ea quae de Deo dicuntur et creaturis, univoce dicantur de ipsis
Articulus VI: Utrum nomina per prius dicantur de creaturis quam de Deo
Articulus VII: Utrum nomina quae important relationem ad creaturas, dicantur de Deo ex tempore
Articulus VIII: Utrum hoc nomen *Deus* sit nomen naturae
Articulus IX: Utrum hoc nomen *Deus* sit communicabile
Articulus X: Utrum hoc nomen *Deus* univoce dicatur de Deo per participationem, secundum naturam, et secundum opinionem
Articulus XI: Utrum hoc nomen *qui est* sit maxime nomen Dei proprium
Articulus XII: Utrum propositiones affirmativae possint formari de Deo
Quaestio XIV: De scientia Dei
Articulus I: Utrum in Deo sit scientia
Articulus II: Utrum Deus intelligat se
Articulus III: Utrum Deus comprehendat seipsum
Articulus IV: Utrum ipsum intelligere Dei sit eius substantia
Articulus V: Utrum Deus cognoscat alia a se
Articulus VI: Utrum Deus cognoscat alia a se propria cognitione
Articulus VII: Utrum scientia Dei sit discursiva
Articulus VIII: Utrum scientia Dei sit causa rerum
Articulus IX: Utrum Deus habeat scientiam non entium
Articulus X: Utrum Deus cognoscat mala
Articulus XI: Utrum Deus cognoscat singularia
Articulus XII: Utrum Deus possit cognoscere infinita
Articulus XIII: Utrum scientia Dei sit futurorum contingentium
Articulus XIV: Utrum Deus cognoscat enuntiabilia
Articulus XV: Utrum scientia Dei sit variabilis
Articulus XVI: Utrum Deus de rebus habeat scientiam speculativam
Quaestio XV: De ideis
Articulus I: Utrum ideae sint
Articulus II: Utrum sint plures ideae
Articulus III: Utrum omnium quae cognoscit Deus, sint ideae
Quaestio XVI: De veritate
Articulus I: Utrum veritas sit tantum in intellectu
Articulus II: Utrum veritas sit in intellectu componente et dividente
Articulus III: Utrum verum et ens convertantur
Articulus IV: Utrum bonum secundum rationem sit prius quam verum
Articulus V: Utrum Deus sit veritas
Articulus VI: Utrum sit una sola veritas, secundum quam omnia sunt vera
Articulus VII: Utrum veritas creata sit aeterna
Articulus VIII: Utrum veritas sit imutabilis
Quaestio XVII: De falsitate
Articulus I: Utrum falsitas sit in rebus
Articulus II: Utrum in sensu sit falsitas
Articulus III: Utrum falsitas sit in intellectu
Articulus IV: Utrum verum et falsum sint contraria
Quaestio XVIII: De vita Dei
Articulus I: Utrum omnium naturalium rerum sit vivere
Articulus II: Utrum vita sit quaedam operatio
Articulus III: Utrum Deo conveniat vita
Articulus IV: Utrum omnia sint vita in Deo
Quaestio XIX: De voluntate Dei
Articulus I: Utrum in Deo sit voluntas
Articulus II: Utrum Deus velit alia a se
Articulus III: Utrum quidquid Deus vult, ex necessitate velit
Articulus IV: Utrum voluntas Dei sit causa rerum
Articulus V: Utrum voluntatis divinae sit assignare aliquam causam
Articulus VI: Utrum voluntas Dei semper impleatur
Articulus VII: Utrum voluntas Dei sit mutabilis
Articulus VIII: Utrum voluntas Dei necessitatem rebus volitis imponat
Articulus IX: Utrum voluntas Dei sit malorum
In the title, note two things. First, that the will is not taken here as it extends to willing and not willing, in the way that seeing extends to seeing and not seeing, when by sight we perceive darkness: for it is clear that good and evil are opposed, and that they pertain to the will by willing or not willing. Nor again is willing taken as it extends to willing and nilling: since it is clear that God nils many evils, namely all those that he does not permit his elect to incur. Rather, willing is taken properly for a positive act in the manner of one accepting: for nilling signifies a positive act, but in the manner of one repelling. And that the will is taken in this way here is evident from the argument set down in the text to prove the responsive conclusion: for it is proved only in this sense. – Second, that evil is the privation of a due good: for all these conditions must belong to a negation, if it has the character of evil. But the evil of punishment, beyond this, includes the character of the involuntary, while that of fault includes the voluntary. Here, however, the question concerns evil in general: and it will be answered distinctly.
II. In the body, there is a single responsive conclusion answering the question, though it has several parts: God in no way wills the evil of fault; yet he wills per accidens the evil of natural defect and the evil of punishment. – It is proved. Evil is opposed to good: therefore it is impossible for evil to be desired, unless joined to a good more desired than the other good deprived through the evil. Therefore it is impossible for the evil of fault to be willed by God; yet it is possible for evil, both of natural defect and of punishment, to be willed by God.
The first consequence is proved: because the ratio of the good is the ratio of the appetible. And as to the first part, it is declared and made manifest in every genus of appetite, namely natural, animal, and intellectual: in natural action, and in the appetite of the lion, and in the will of the fornicator. As to the second part, however, it is proved: because every evil joined to some good is the privation of another. – The second consequence, as to its first part, is proved: because nothing is more willed by God than His own good, to which the evil of fault is opposed. As to the second, it is made manifest: because God wills one good more than another. And indeed in penal matters, He wills justice more than the good deprived by punishment; likewise in natural things, He wills the order of nature more than the life of this lamb eaten by the wolf.
III. Concerning the proof of the second consequence, note that in the text it is not said that the evil of fault deprives the divine good, but that it deprives the order to it. And on account of this, a doubt arises: because that argument seems to be of no force. For every evil deprives some order to the divine goodness, since every order to it is an order as to the ultimate end and first source, etc. Therefore, from the fact that the evil of fault deprives the order to the divine good, it does not follow that it cannot be willed by God per accidens. And if it follows concerning it, then also concerning any other evil whatsoever.
IV. To this it is briefly said that the evil of fault differs from other evils in this, that it, insofar as it is from itself, is privative of the divine good in itself, if it were capable of being privated: just as the love of friendship toward God is positive of the divine good in itself, if it were capable of being posited. Other evils, however, regard the divine goodness in some particular effect. And therefore both points are indicated with caution in the text: namely, both that it would privatively deprive of the divine good in itself, in what was said when he said that God wills nothing more than His own goodness; and that in fact it does not privatively deprive of it, but only in relation to it; which understand in itself, so that from this you may have the difference from the other evils. – And by this the answer to the doubt is clear. For the account is not the same concerning the order to the divine goodness in itself, and concerning the order to it according to some determinate participation of it.
V. In response to the first, two things must be noted. First, that in the text the judgment concerning the evil of fault in itself is made from the intention of the sinner, because the evil of fault is not an effect reducible to higher causes; rather, it has the very sinner as such for its proper cause. Now judgment concerning anything must be rendered according to its proper cause.
Second, that to the authorities of Augustine adduced in argument nothing is answered in the text: and (unless there be a defect in the codex) what is omitted does not seem omitted, because from what is said here the gloss on those words of Augustine appears, namely that they are to be understood per accidens: for evils to be, is a good coming-to-be not per se, but per accidens.