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Objectivism Online Forum

Metaphysics and Epistemology

Discussion of the fundamental nature of reality, the metaphysical nature of man (e.g., free will), and the nature of and means to knowledge

1144 topics in this forum

  1. Two Different Types of Certainty? 1 2 3 4 7

    By dan_edge,
    • 153 replies
    • 17.9k views

  2. To be an O'ist, do you have to be an Atheist? 1 2 3 4 7

    By CelticCapitalist,
    • 150 replies
    • 21.3k views

  3. Is the "stolen concept" truly a fallacy? 1 2 3 4 7

    By dougclayton,
    • 150 replies
    • 22.6k views

  4. The Origins of Man Vs. Objectivist Thought 1 2 3 4 7

    By TickledPink,
    • 150 replies
    • 11.5k views

  5. What is the nature of the axioms of Objectivism? 1 2 3 4 6

    By nzcanadian,
    • 144 replies
    • 15.8k views

  6. Critique of the Objectivist Ethics 1 2 3 4 6

    By Zavier,
    • 139 replies
    • 10.9k views

  7. Arguments Against Infinite Quantity 1 2 3 4 6

    By aleph_0,
    • 139 replies
    • 14.2k views

  8. Reason vs. faith as tools of cognition? 1 2 3 4 6

    By Guest Guest_John,
    • 135 replies
    • 17.8k views

  9. The Fallacy of Composition 1 2 3 4 6

    By eficazpensador,
    • 135 replies
    • 13.3k views

  10. You Don’t Believe in God – Disprove Him! 1 2 3 4 6

    By Dormin111,
    • 135 replies
    • 20.5k views

  11. Unknowability 1 2 3 4 6

    By Harrison Danneskjold,
    • 134 replies
    • 15.7k views

  12. Physical infinity 1 2 3 4 6

    By Severinian,
    • 134 replies
    • 14.5k views

  13. The Theory of Relativity 1 2 3 4 6

    By stuzal atla creala iuday,
    • 133 replies
    • 21.4k views

  14. "If a tree falls in a forest ... does it make a sound?" 1 2 3 4 6

    By Dillinger Escapes,
    • 132 replies
    • 21.8k views

  15. validating volition 1 2 3 4 6

    By Harrison Danneskjold,
    • 130 replies
    • 10.6k views

  16. But what does .9999999999… MEAN? 1 2 3 4 6

    By AlexL,
    • 129 replies
    • 22.3k views

  17. Did Ayn Rand commit the fallacy of reification? 1 2 3 4 6

    By thenelli01,
    • 129 replies
    • 13k views

  18. The Anthropic principle 1 2 3 4 6

    By Dániel Boros,
    • 128 replies
    • 10.1k views

  19. The Infinite and the Finite 1 2 3 4 6

    By RicardoSmith23,
    • 126 replies
    • 17.9k views

  20. Identical situations create identical outcomes? 1 2 3 4 6

    By Kjetil,
    • 125 replies
    • 10.5k views

  21. Russell's Paradox 1 2 3 4 5

    By Kyle,
    • 124 replies
    • 15.3k views

  22. Ought from Is 1 2 3 4 5

    By Klarinettus,
    • 123 replies
    • 15.2k views

  23. The difference between plants and stars? 1 2 3 4 5

    By brian0918,
    • 123 replies
    • 8.3k views

  24. Causality For Someone who Doesn't Get it! 1 2 3 4 5

    By Easy Truth,
    • 121 replies
    • 11.1k views

  25. The Transporter Problem 1 2 3 4 5

    By DonAthos,
    • 116 replies
    • 13.4k views
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