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Synonyms & Antonyms of assertion
1
a solemn and often public declaration of the truth or existence of something
- the assertion that all men have certain unalienable rights is set forth in the Declaration of Independence
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2
an idea or opinion that is put forth in a discussion or debate
- made the unlikely assertion that gravity affects light
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“Assertion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assertion. Accessed 15 Jun. 2021.
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The first known use of assertion was in the 15th century
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