those interested in the study of the fundamental nature of knowledge, reality, and existence
Solved Questions
Unsolved Questions
  1. What are the differences between hypothesis, supposition, assumption, postulate, and axiom?
  2. In what sense can moral propositions be objective?
  3. Truth is an opinion and not fact - Stoicism

  4. What philosophical books criticizing secular morality are available?

  5. Testing the Dream Hypothesis

  6. Is Idealism incoherent as incapable of explaining activities without entities
  7. Nozick's truth tracking theory ?
  8. Support for "Sleepless nights due to unaccomplished goals"

  9. Concerning the definition of "valid"

  10. “the human drama” ~Camus
  11. Have philosophers explored the ideas of accuracy and precision when considering the truth of a statement?

  12. Should governments have the power to limit the citizen's rights during wartime?

  13. What are the arguments for maximising total utility as opposed to average utility?

  14. How did Democritus come to atomic conclusion?
  15. A priori and a posteriori within an axiomatic framework?

  16. What happens to consciousness after death?

  17. eternal matter- does this syllogism prove it?
  18. What is magical thinking?

  19. How would the Sophists challenge Socrates' solution to the problem of justification?
  20. Laissez-faire capitalism does not work ... so why do some "philosophers" ascribe to it

  21. What if anything does Aristotle's formal cause actually explain?

  22. Why is the complex number an integral part of physical reality?

  23. Is there a name for gradual dissolution of the boundaries between two objects or identities?
  24. Schrödinger: order and perception

  25. How can the finite contain the infinite?

  26. Formal versus Objective Reality in Descartes
  27. Plato's Meno - the other paradox?

  28. Is Mathematics considered a science?

  29. William James on mathematical conceptions not related to perceptions?

  30. Why would both the Sophists and Socrates argue that it is impossible to gain knowledge?
  31. What were Kierkegaard's views of virginity?

  32. Why must physics (empirical measurement) be consistent?

  33. If vast swaths of philosophy are entirely subjective, why do we care about them?

  34. How to construct a proposition about God (which is not a thing, nor a non-thing)?

  35. Reasons and causes : what are the main works that discuss the distinction (if any) between them?
  36. How to differentiate co-premises from chains of reasoning in an argument map?
  37. What is the name for X is too hard / hopeless to practically implement,. Therefore abandon X

  38. What is the definition of God?

  39. Why do certain combinations of words that refer to nothing (such as "square circle") sound like they refer to something?

  40. Difference between logic and mathematics
  41. How does Stoicism deal with human interdependence?
  42. Why is violating "the only x and y principle" a problem in personal identity theory?

  43. Updating Credences in the case of prolonged lack of evidence that confirms the belief
  44. What is the relationship between distributive justice and equity?

  45. Kant -- What does it mean to treat someone merely as a means?
  46. How to distinguish between value and utility?

  47. What should be the role of musicians (artists) in the marketplace?
  48. The Orphic Socrates

  49. Question on the subject-proper of logics

  50. Rigorous, modern introductions to informal reasoning and critical thinking?
  51. Questions about personal identity and materialism with QM and spacetime
  52. Husserl - Father of modern phenomenology
  53. Refering to a subject
  54. Logical fallacy: when you know the outcome, so you cannot see any other possible ex ante prediction

  55. Innocent until proven guilty - why?

  56. Which (European) Language(s) are recommended to learn for philosophy?

  57. Which fallacy is involved in Y2K denial?

  58. Propositional Logic Problem - Identify the Truth Teller, the Liar and the unpredictable
  59. Is materialism really an ontological position or is it an epistemic one?
  60. Do we consider theoretical physics as metaphysical theories?
  61. Information paradox: the more we know, the less confident we are

  62. Machines vs Chaos of Human Language
  63. Isn't Mind–body dualism the result of a Complex Universe?
  64. Has any philosopher argued our concepts resemble reality along this line?
  65. Imagine that you look at yourself as a cat, what do you think of your own behavior?

  66. "Fatalism and Professor Taylor" by Bruce Aune

  67. Is there such thing as the present?
  68. On what basis do we assume that people are similar?

  69. Thomas of Aquino vs. William of Ockham
  70. A contradiction in Kant's Universalizability Principle
  71. Is Horse a Concept?

  72. What are the main differences between Peirce, James, & Dewey?
  73. Why can't humans believe contradictions?
  74. Is faith necessary for man to survive / why is existentialism valued if it is unsubstantiated?

  75. Are nations immoral?

  76. The mathematical language of the brain

  77. why did Kant say the only truly “good” thing in this world “without exception” is a “good will”?

  78. Is philosophy constrained by a philosopher's language?

  79. What is the purpose of a high in terms of it being created or intended by a creator
  80. Who gets to decide
  81. Similarities between Jordan Peterson's 12 Rules for Life and Stoicism
  82. How come nihilism is so popular today?
  83. Nothing, God & Physical law
  84. What is the difference between Philosophy and Theology?
  85. Is there any proof of existence of any higher being who created us?

  86. Neitzsche on European Buddhism

  87. Are all logically necessary statements claiming self identity?

  88. If determinism is true, are emotions like pride, guilt, and remorse illusory?

  89. What are the main differences between Berkeley's and Locke's view of ideas?

  90. Why would a God create animals that manifest homosexual behavior if he thought that homosexuality is a sin?
  91. What are the current theories about instinct in philosophy of the mind?

  92. Are axioms assumptions and should they be minimized?

  93. What would it mean for morality not to be a consequence of rationality?
  94. Philosophy journals along the lines of "Think" by Cambridge University Press
  95. How to prove using higher abstractions instead of diving into axioms or a little bit deeper?

  96. Does practical moral skepticism end up as relativism?

  97. What evidence is there for Nietzsche's division of people into higher and lower types?

  98. If morality comes from our body, why does it contradict it?

  99. That is the truth because I say so
  100. Rejecting by appealing to non-existence something else