Questions tagged [necessity]

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What is the distinction between A-intension and C-intension?

I'm having a really hard time understanding a concept discussed in “Qualia and Analytic Conditionals” by Braddon-Mitchell and "Why We Need A-Intensions" by Jackson. Here's my extraction of these ...
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Why for Spinoza is the essence of the mind eternal?

Quoted in The Oxford Handbook of Spinoza, 302. I'm confused as to why, if we express the essence of the body under the aspect of eternity -- which for the purposes of the question I take to mean its ...
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112 views

Boethius, Logical Necessity, and Accidental Necessity: A Solution to Free Will and Foreknowledge?

In his classic book, the Consolation of Philosophy (Book V), Boethius attempts to make an argument that libertarian free will and [divine] foreknowledge are not incompatible. His argument goes ...
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What is the Lange's viewpoint on laws of nature?

I am just wondering what is the Lange's philosophical perspective on laws of nature and what line of thought he follows in the contemporary debate.
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Does modus tollens capture the essence of “necessary condition”?

Does modus tollens capture the essence of "necessary condition"? (1) P → Q, ¬Q, … so ¬P. (2) So Q is a necessary condition of P. Is (1) the inner structure of (2)? Are any of these true: The ...
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modal quasi-conventionalism (Ted Sider)

So, I've been reading a bit on Ted Sider's modal quasi-conventionalism (elsewhere he calls his view modal Humeanism), and I was wondering if anyone had commented directly on it in the literature. I ...
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90 views

How would Leibniz respond to this objection to his argument for God's existence?

Leibniz argues for the existence of a necessary being using the Principle of Sufficient Reason (PSR). Any contingent fact about the world must have an explanation. (Principle of sufficient reason) ...
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Kant tells us that necessity is an indication of a priori concepts

It is easy enough to grasp that necessity does not inhere in nature but it is more difficult to explain. Is there a clearer explanation?