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Charles Sanders Peirce (1839-1914) foi um lógico e cientista praticante<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) foi um lógico e cientista praticante<ref>[[wpit:Charles_Sanders_Peircehttps://it.wikipedia.org/wiki/Charles_Sanders_Peirce|Charles Sanders Peirce]]</ref>; ele gradualmente desenvolveu uma explicação triádica da lógica da investigação. 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