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Absence of good

Theological and philosophical doctrine

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Through Philosophy, Good and Baháʼí Faith

The privation theory is associated mostly with late antique and medieval Christianity, with particular attention to Augustine of Hippo. Drawing on Neoplatonism, especially Plotinus's views, he stated that evil is a privation of goodness that God created in all things. The theory was later discussed by Boethius, Pseudo-Dionysius, John of Damascus, Thomas Aquinas, and early modern philosophers including Spinoza and Leibniz, in modified forms

Similar concepts appear outside historic Christian thought. For example, authoritative texts of the Baháʼí Faith describe evil as "nonexistence" or "nothingness". In contemporary philosophy of religion, versions of the privation theory have been discussed within neo-Thomist metaphysics.

Because the theory holds that evil is not a positive reality created by God, it is discussed in relation to the problem of evil. According to the theory, if the evil is the absence of good rather that something created by God, then God creates good and permits the absences that constitute evil. Some critics state that the theory has difficulty accounting for evils that appear to have a positive character.

Theory

Evil as privation

In its classical form, the privation theory states that evil is not any absence, but a privation: the lack of a perfection, form, or order that would be expected in a thing according to its nature. For example, a stone not being able to see is a mere absence. The blindness of an animal that normally can see is a privation. In the same way, sickness is described as the absence of health, and moral vice as the absence of the right order proper to a rational will.

Augustine summarized the view by stating, "what is called evil in the universe is but the absence of good". John of Damascus wrote similarly that "evil is nothing else than absence of goodness, just as darkness also is absence of light". In the Baháʼí tradition, 'Abdu'l-Bahá stated that "good exists; evil is nonexistent", and gave examples such as death as the absence of life, and darkness as the absence of light.

Contemporary neo-Thomist writers continue the privation theory. For example, Obderberg defines evil as the privation of goodness, and describes goodness as a thing fulfilling its nature or proper purpose. He states that evil is a "departure from the goodness prescribed by a thing's essential nature".

Being, goodness and value

The privation theory is linked to the view that being and goodness are connected. Aquinas stated that "goodness and being are really the same, and different only in idea". For Augustine, whatever exists has being, and to that extent is good. He states that evil is a corruption of this goodness.

Some later thinkers describe a weaker connection between being and goodness while still holding a privation account of evil. Spinoza, for example, treats "good and bad" as ways of comparing finite things. On this view, evil does not have an independent positive status, but refers to the absence of the good.

Moral and natural evil

In classical philosophy, privation analysis applies to both moral evils (such as vices and injustices) and natural evils (such as illness and bodily defects). According to Augustine, bad characteristics of the soul are privations of natural goodness, in the same way illnesses are privations of bodily wellbeing. Aquinas defines sin as a disorder of the will that lacks proper order, whereas the activities of the will are good in themselves.

The modern supporters differ in their analyses of some specific instances. The first category defines evil as an obstruction of a natural drive toward its proper fulfillment, while others define evil as disordered loves or affections which do not achieve the harmony suitable to rational beings.

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