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Charles Sanders Peirce (1839-1914) était un logicien et un scientifique praticien<ref>[[wpit:Charles_Sanders_Peircehttps://it.wikipedia.org/wiki/Charles_Sanders_Peirce|Charles Sanders Peirce]]</ref>; he gradually developed a triadic account of the logic of inquiry. He also distinguishes between three forms of argumentation, types of inference and research methods that are involved in scientific inquiry, namely:

Charles Sanders Peirce (1839-1914) était un logicien et un scientifique praticien<ref>[[wpit:Charles_Sanders_Peircehttps://it.wikipedia.org/wiki/Charles_Sanders_Peirce|Charles Sanders Peirce]]</ref>; il a progressivement développé un compte triadique de la logique de l'enquête. He also distinguishes between three forms of argumentation, types of inference and research methods that are involved in scientific inquiry, namely:

#Abduction or the generation of hypotheses

#Abduction or the generation of hypotheses