Definition of felicific calculus
: a method of determining the rightness of an action by balancing the probable pleasures and pains that it would produce
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“Felicific calculus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/felicific%20calculus. Accessed 7 Jul. 2022.
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The first known use of felicific calculus was in 1945
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