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There are also two kinds of truths: truth of reasoning and truths of fact. Truths of reasoning are necessary and their opposite is impossible those of fact are contingent and their opposite is possible.

There are also two kinds of truths: truth of reasoning and truths of fact. Truths of reasoning are necessary and their opposite is impossible those of fact are contingent and their opposite is possible.

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Attribution & collection notes
Author or tradition
Gottfried Leibniz
Attribution: attributed
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Supplied reference C; CSV row 468854; supplied attribution, independently unverified

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