51 entries under theory topic. ×

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generalization(guesstimate, premise)
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golden rule(expression, guesstimate, premise)
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guess(guesstimate, premise)
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guesstimate
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guesswork(guesstimate, premise)
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hard fact(expression, guesstimate, premise)
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hard facts(expression, guesstimate, premise)
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hypothesis(guesstimate, premise)
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intrinsic truth(expression, guesstimate, premise)
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lemma(guesstimate, premise)
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opinion(guesstimate, premise)
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postulation(guesstimate, premise)
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premise
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presumption(guesstimate, premise)
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presupposition(guesstimate, premise)
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principal element(expression, guesstimate, premise)
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principium(law, foundation, basic, premise)
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reck(guesstimate, premise)
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rough guess(expression, guesstimate, premise)
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say so(expression, reservation, domination, premise)
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APASmart Define. (2015). sine qua non thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sine_qua_non/thesaurus/synonyms
ChicagoSmart Define. 2015. "sine qua non thesaurus" https://smartdefine.org/sine_qua_non/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, sine qua non thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sine_qua_non/thesaurus/synonyms>.
MLASmart Define. "sine qua non thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/sine_qua_non/thesaurus/synonyms>