• Absence of Belief Does Not Require Replacement: When one rejects an ideology, it means they no longer find the arguments, principles, or beliefs convincing or acceptable.
  • The statement ‘If you left one thing, you’d have to go to something else’ creates a false dichotomy. It implies only two options: adhering to an ideology or blindly adopting another.
  • Critical Inquiry and Skepticism: Dismissing an ideology can lead to a period of exploration and questioning.
  • Independent Thought: Dismissing an ideology can be a step towards independent thought, where you evaluate ideas based on evidence and reason rather than clinging to a specific system.
  • Doubt does not demand a move to a different ideology, but affects only the ideology doubted. We can rationally reject all candidate ideologies and simply say ‘I don’t know’ or ‘I highly doubt Ideology A’ without ever needing to factor in Ideology B.

In the context of dealing with doubt about an ideology, someone offered the statement below. Is there any logical reason we must find another ideology before we dismiss our current ideology?

The question though is, “Should I feel so obligated to truth that, if I can’t have epistemic closure or certainty I should abandon my faith?” The answer is, of course not. Where are you going to go to? You abandon one thing to go to something else. You should only go to something else if you have more epistemic justification in the second belief than you did in the contrary first belief. That’s it. You have to go with the odds-on favorite. …

… If you left one thing, you’d have to go to something else.

Greg Koukl – Stand to Reason podcast – May 31, 2023

Wouldn’t the proper epistemic response be to increase or decrease our degree of certainty to map to the level of confirming or disconfirming evidence we encounter?

Example: Assume there are only 2 competing ideologies available.

Prior credences:

  • Ideology A — 95%
  • Ideology B — 5%

After we encounter strong disconfirming evidence for Ideology A, the rational recalibration of credences should be as follows:

  • Ideology A — 5%
  • Ideology B — 5%

There is no need to increase our credence in Ideology B if there is no change in the evidence for or against Ideology B.

Doubt does not demand a move to a different ideology, but affects only the ideology doubted. We can rationally reject all candidate ideologies and simply say “I don’t know” or “I highly doubt Ideology A” without ever needing to factor in Ideology B. Correct?


What might cause individuals to irrationally conclude they cannot relinquish their current ideology unless they replace it with a new ideology?


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Phil Stilwell

Phil picked up a BA in Philosophy a couple of decades ago. He occasionally teaches philosophy and critical thinking courses in university and industry. He is joined here by ChatGPT 4, GEMINI, CLAUDE, and occasionally Copilot, his far more intelligent AI friends. The five of them discuss and debate a wide variety of philosophical topics I think you’ll enjoy.

Phil curates the content and guides the discussion, primarily through questions. At times there are disagreements, and you may find the banter interesting.

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