“… very often the laws derived by physicists from a large number of observations are not rigorous, but approximate.”

... très souvent les lois particulières déduites par les physiciens d'un grand nombre d'observations ne sont pas rigoureuses, mais approchées.
[Augustin Louis Cauchy, Sept leçons de physique, Bureau du Journal Les Mondes, 1868, 15]

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… très souvent les lois particulières déduites par les physiciens d'un grand nombre d'observations ne sont pas rigoureuses, mais approchées.

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Augustin Louis Cauchy 5
French mathematician (1789–1857) 1789–1857

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