Category
Metaphysics
What exists, and what is it to be? Time, causes, freedom and necessity.
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Aquinas’s metaphysics is unintelligible without Ibn Sina
My students arrive believing that Aquinas is a Catholic synthesis of Aristotle and the Bible. That leaves out the man in the middle. My thesis is strong: Aquinas's metaphysics cannot be understood without Ibn Sina. The centre of Thomist metaphysics is the…
Started by Ikechukwu Anyanwu5 replies -
Wittgenstein said philosophy “leaves everything as it is”. Is quietism a position, or a refusal to have one?
I translate for a living, and this year I have been rereading a book about the Philosophical Investigations. I keep returning to §124: philosophy may not interfere with the actual use of language; it can only describe it; it "leaves everything as…
Started by Claire Dubois5 replies -
Why did the Vaiśeṣikas count direction as a substance?
I teach physics and spend weekends exposing miracle tricks for a rationalist association, so I like the Indian schools that tried to describe the world piece by piece. The Vaiśeṣika list of nine substances is a favourite of mine: earth, water, fire,…
Started by Arvind Poojary3 replies -
Unrestricted composition is the only principled answer to when parts make a whole
Thesis: any things whatever compose something. Here is why I think universalism is the only principled position. Restriction generates vagueness. If only some collections compose, there will be a sequence of cases, removing one particle at a time, in which composition goes…
Started by Derek Hollis6 replies -
Metaphysics is about what grounds what, not about what exists
For most of the last century analytic metaphysics followed Quine: the job of ontology is to say what exists, and existence is settled by what our best theories quantify over. Recently a neo-Aristotelian movement has pushed back. Jonathan Schaffer put it bluntly…
Started by Ikechukwu Anyanwu5 replies -
Reading group: David Lewis, On the Plurality of Worlds (1986), chapters 1–4
Most people meet modal realism as a punchline: the man who believed every possible world is as real as ours. I want to read the book properly, because the argument is far better than its reputation, and because I think most of…
Started by Tomasz Szewczak6 replies -
Reading group: Quine’s ‘On What There Is’, slowly, in three sittings
"On What There Is" first appeared in the Review of Metaphysics in 1948 and opens From a Logical Point of View (1953). It is short, funny in places, and much quoted by people who have not read it. I propose we read…
Started by Tomasz Szewczak6 replies