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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

1105 topics in this forum

  1. Is the afterlife arbitrary?

    By Severinian,
    • 16 replies
    • 351 views

  2. Fact

    By mike o,
    • 11 replies
    • 229 views

  3. Does Objectivism: the Philosophy of Ayn Rand affirm mind independent existence of the physical world?

    By Frank,
    • 4 replies
    • 281 views

  4. The Problem With Perceiving Entities

    By SpookyKitty,
    • 11 replies
    • 181 views

  5. Type-I and Type-II Units

    By SpookyKitty,
    • 2 replies
    • 89 views

  6. What Kinds of Infinities Do You Find Philosophically Acceptable and Why?

    By SpookyKitty,
    • 8 replies
    • 202 views

  7. Do Algorithmically Non-Trivial Definitions Refute Measurement-Omission Theory?

    By SpookyKitty,
    • 18 replies
    • 290 views

  8. Existence and Similarity 1 2 3 4

    By MisterSwig,   
    • 88 replies
    • 2.6k views

  9. John Dewey on Perception and Conception

    By Boydstun,
    • 10 replies
    • 737 views

  10. Courage to say 'It is'

    By Jonathan Weissberg,
    • 1 reply
    • 257 views

  11. Fundamental thinking methods & learning anything

    By Jonathan Weissberg,
    • 2 replies
    • 289 views

  12. From Integrity to Calculus

    By Boydstun,
    • 14 replies
    • 7.2k views

  13. Some Thoughts on The Arbitrary 1 2 3

    By necrovore,
    • 65 replies
    • 1.5k views

  14. Universals and Measurement

    By Boydstun,
    • 16 replies
    • 1.7k views

  15. Certainty & The Benevolent Universe Premise

    By Jonathan Weissberg,
    • 16 replies
    • 690 views

  16. Justification: Casual inference vs witness testimony

    By Epistem,
    • 2 replies
    • 361 views

  17. The Pluriverse

    By MisterSwig,   
    • 16 replies
    • 1.1k views

  18. Reading group for Aristotle's The Organon

    By Eiuol,
    • 5 replies
    • 498 views

  19. Stephen Hawking's "Black Holes: The Edge of the Universe" show on Netflix

    By NameYourAxioms,
    • 3 replies
    • 449 views

  20. What is the External Indicator of Volition (choice)? 1 2

    By Easy Truth,
    • 36 replies
    • 876 views

  21. Form v. Matter 1 2 3

    By Boydstun,
    • 55 replies
    • 2.3k views

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

    By Easy Truth,
    • 121 replies
    • 6.2k views

  23. How many masks do you wear? 1 2 3 4 10

    By Tenderlysharp,
    • 245 replies
    • 6.9k views

  24. Metaphysical & epistemological possibilities 1 2

    By Jonathan Weissberg,
    • 48 replies
    • 1.2k views

  25. Entity and Ousia

    By Boydstun,
    • 3 replies
    • 1k views
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