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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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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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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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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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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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We know substances by means of their accidents?

Where does Aristotle or St. Thomas Aquinas say we know substances by means of their accidents? For example: To know the substance of an apple, I first have to sense its quantity and qualities: shape, ...
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Does Kant distinguish different types of “pure reason”?

Does Kant distinguish different types of "pure reason"s? Viz., is there a human "pure reason," angelic "pure reason," Godly "pure reason," etc.? (cf. this comment) This comment claims "it's quite ...
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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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What does Dawkins suggest is the main flaw in these three arguments from Aquinas?

Source: p 100-101, The God Delusion, By Richard Dawkins 1. The Unmoved Mover. Nothing moves without a prior mover. This leads us to an infinite regress, from which the only escape is God. ...
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How did Aristotle or St. Thomas resolve the liar's paradox?

How did Aristotle or St. Thomas Aquinas (such as in one of his commentaries on Aristotle) resolve the liar's paradox?
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If the universe has a beginning does that prove God exists?

It is curious to note that a eminent Physicist like Stephen Hawking thinks the universe has a beginning. This has some rather startling Religious implications You can find the link here: http://www....