Definition of equivalence class
: a set for which an equivalence relation holds between every pair of elements
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“Equivalence class.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/equivalence%20class. Accessed 15 Aug. 2022.
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Time Traveler for equivalence class
The first known use of equivalence class was in 1952
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