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Philosophy
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Introduction to Philosophy / Factual Issues / Books
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3,771 37,793 In If and only if & Is and only is
By invizzy
Oct 21, 2014 - 2:47 AM
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General Philosophy
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6,235 242,245 In The consciousness of bees
By Bernie O'Keefe
Oct 21, 2014 - 4:26 AM
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Metaphysics and Epistemology
What is reality? What is truth? What do you know and how do you know it?
2,749 180,928 In Is there a Hard Problem of Consciousness?
By Blockhead
Oct 21, 2014 - 4:36 AM
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Ethics
What should we do? What constitutes right and wrong? What is the "good life"?
3,899 190,334 In Vegetarianism - The Way Forward?
By Wosret
Oct 21, 2014 - 2:52 AM
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Logic and Philosophy of Math
Is math derived from logic or is logic derived from math?
Subforums: Logic and Math Homework
3,059 36,781 In My problem with the concept of Limit in Real-analy...
By andrewk
Oct 20, 2014 - 9:04 PM
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Philosophy of Religion
What would be the nature of a god? How has religion developed?
Please note that atheism and agnosticism are Philosophy of Religion topics.
Subforums: Religion (non-philosophical discussions)
5,110 317,329 In Perhaps the Common Definition of God Is Wrong
By Yahadreas
Oct 21, 2014 - 4:14 AM
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Philosophy of Language
How does language limit or enable our philosophy?
899 26,806 In Saussure - some ideas needed
By Bernie O'Keefe
Oct 21, 2014 - 4:12 AM
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Philosophy of Science
How should science be done? What philosophical scaffolding does it require or entail?
Subforums: Science
3,782 98,928 In Drake and the Fermi Paradox
By m-theoryrules
Oct 21, 2014 - 12:48 AM
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Philosophy of Politics and Law
What is a state? How should one be governed?
Subforums: Politics
3,486 97,480 In The Left vs. The Right
By BitterCrank
Oct 21, 2014 - 2:22 AM
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Social Sciences
What is culture? How does society work? How does the human mind work?
Anthropology, psychology, sociology, etc.
2,135 79,501 In Can man ever get back to were we belong?
By skillz
Oct 19, 2014 - 12:41 AM
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Philosophy of the Arts
What is beauty? What is art? What differentiates good art from bad art?
996 18,014 In Film and Realism
By BitterCrank
Oct 20, 2014 - 9:25 AM
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Debates
One-on-one debates of a more formal nature, tackling the big issues in depth.
Subforums: Debate Discussion
49 4,075 In Debate 19: Is there an objective reality?
By Incision
Jun 10, 2014 - 7:39 PM
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Guest Speakers
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Subforums: Graham Priest, David Chalmers, John Searle
49 476 In Is it just the liar paradox?
By andrewk
Nov 19, 2013 - 3:41 PM
Not Quite Philosophy
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Casual Philosophyesque Discussions
Is it not really philosophy, but bears a casual resemblance? Post it here.
882 15,105 In Woke Up Stupefied
By Hardly Noticeable
Oct 20, 2014 - 11:30 AM
Off Topic
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Subforums: The Green Room
6,734 234,365 In What are you listening to right now?
By Demagogue
Oct 20, 2014 - 9:09 PM
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Feedback
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Subforums: The Dumpster
1,120 34,227 In Bug Reports
By Paul
Oct 20, 2014 - 6:45 PM
Quotes
"True philosophy consists in relearning to look at the world."
- Maurice Merleau-Ponty
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  1. If and only if & Is and only is by invizzy in Introduction to Philosophy / Factual Issues / Books
    So I come across 'if and only if' a bit in my reading (also written as iff) but I'm trying to say something more like 'is and only is'. Is that also common in philosophy? Does it too have an abbreviation? For context: I'm trying to say 'X is a screwdriver if, and only if, the intended funct...
  2. Conscience by Lijay1 in Introduction to Philosophy / Factual Issues / Books
    I've trying to figure out and deciphering about where our conscience be found. At some moment in our lives, we have been tangled with the belief that it is in the heart- but probably not. They say conscience is the inner voice that tells you what is the right thing to do in the moment, But the probl...
  3. Ending of Chesterton's The Man Who Was Thursday? by milesprowers in Introduction to Philosophy / Factual Issues / Books
    Has anybody read The Man Who Was Thursday by GK Chesteron? A great, hilarious philosophical fiction book, but I'm having a hard time understanding exactly what happened at the end of the book when everything seemed to go into a non-literal detour, and what is the philosophical point Chesterton is t...
  4. Tao Te Ching chap. 26 by Mongrel in Philosophy of Religion
    Been contemplating this passage from the Tao Te Ching. I've compared several translations... it's like this: Tao Te Ching - Lao Tzu - chapter 26 The heavy is the root of the light; The still is the master of unrest. Therefore the sage, travelling all day, Does not lose sight of his baggage. Tho...
  5. need help with proof a→b,c→d then (a|c)→(b|d) by nateblee in Logic and Math Homework
    I am not sure why I am not allowed to use | Elim here. By using the given premise, I think I did the subproofs right, deriving conclusion in each case. However, I am not logically sure how I should get to my conclusion if I am not allowed to use | Elim.