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by derdi
4 hours ago
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I noticed that you use the spelling "contraposative" consistently. I'd only known this as "contrapositive", and Wiktionary agrees: https://en.wiktionary.org/wiki/contrapositive . But I find lots of web hits for "contraposative", so I suspect it's more than just a common typo. Did you learn this specific form from some specific source that contrasted the two? |
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