Assertion and Postulate

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Assertion noun - A solemn and often public declaration of the truth or existence of something.

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Postulate and assertion are semantically related. In some cases you can use "Postulate" instead a noun "Assertion".

Postulate noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.

Usage example: one of the postulates that the true agnostic rejects is the assumption that it is even possible for us to know whether God exists

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Assertion and postulate are semantically related. Sometimes you can use "Assertion" instead a noun "Postulate".

Begging the Question: A logical fallacy where you claim to prove something simply by asserting that it's true (usually in slightly different wording; Circular Reasoning is similar, but with more than two steps intervening between the postulate and the assertion).

Source: Catch-22 Dilemma

Cite this Source

Postulate and Assertion. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assertion/postulate

Assertion & Postulate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assertion/postulate>.

Postulate or Assertion. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assertion/postulate.

Google Ngram Viewer shows how "assertion" and "postulate" have occurred on timeline