Questions tagged [aquinas]

[St. Thomas Aquinas][1] (1225–1274), scholastic philosopher, Catholic theologian, and most famous commentator on Aristotle. [Thomism][2] is his school of thought. [1]: http://plato.stanford.edu/entries/aquinas [2]: http://www.newadvent.org/cathen/14698b.htm

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How can Aquinas' argument from motion to mover be reconciled with Newton's law of inertia?

A common objection to Thomas Aquinas' first way, the argument from motion (which means rather something like change), is that the second premise is flawed: It is certain, and evidence to our ...
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What is Malebranche's explanation for the source of human error?

An omnibenevolent God would not deceive us or cause us to be in error, thus the gifts from cannot be the source of error. Rather sin confuses our faculties and prevents us from using them as they ...
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How many angels can dance on the head of a pin?

This question became a symbol for the silly and pointless sophistry of medieval scholastics. But as modern scholarship has shown scholastics was not such a thoughtless desert as some of its ...
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What is the agent intellect according to Avicenna and Aquinas?

Avicenna and Thomas Aquinas seem to generally interpret Aristotle in different ways, and I am trying to understand the differences. Specifically, what are the differences between Avicenna's view and ...
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What do necessity and possibility mean in Aquinas' Third Way argument for the existence of God?

In his famous Summa Theologica, the Scholastic theologian Thomas Aquinas presents Five Ways to demonstrate the existence of God. Here is Aquinas' Third Way, the argument from contigency: The third ...
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Why did Aquinas distinguish his first three “cosmological argument” for God?

The first three of Aquinas' Five Ways seem to be very similar to each other. They can be generalized into one argument and they all rely on the impossibility on infinite regress and argued that God is ...
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If God is pure act of being, where does the essence of being come from?

According to the Thomistic view in Ontology, essence and 'the act of being' (I'm translating from a romance language) are different, in which 'to be' is the act received by the essence, which is the ...
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Does “ens materiale” = “ens sensible”? If so, why?

As far as I know, Aristotelianism and Thomism state that a material being is always potentially sensible. For example, there are microorganisms that we cannot see with the naked eye. But if we use a ...
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According to the Natural Law, should poetry rhyme?

I usually ask questions like this on Christianity.SE, but I've got a feeling it's better suited here. And just to be clear, I want only Natural Law (Aristotle, Aquinas, etc) answers pointing to ...
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Why is Being not a genus?

Aquinas wrote: Being is not a genus, since it is not predicated univocally, but analogically Genus is a term that is used in Aristotles Organon; as is predicate and I think univocal and analogy. ...
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How can “essentialism” ever make sense?

So, searching for J. L. Mackies "argument from queerness", I stumbled upon this blog entry. Now, Mr. Feser seems to be a quite... controversial figure, to say the least, but please let's resist the ...
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Aquinas' Third Way: Why Argue For Only One Necessary Entity?

I came across this description of Aquinas' third way: Third, he argues that if there were no eternal, necessary, and immortal being, if everything had a possibility of not being, of ceasing to be, ...
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Truth in Aquinas metaphysics

From what I'm reading, Aquinas distinguished truth in two senses: Ontological truth: It's the adaptation(adequation ?) of the 'created being' to God's understanding, whereby it fulfils that for ...
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Why must objects be moved by other objects in Aquinas' First Way argument for God?

In his famous Summa Theologica, the Scholastic theologian Thomas Aquinas presents Five Ways to demonstrate the existence of God. Here is Aquinas' First Way, the argument from motion: The first and ...

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