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Charles Sanders Peirce (1839–1914) war Logiker und praktizierender Wissenschaftler<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) war Logiker und praktizierender Wissenschaftler<ref>[[wpit:Charles_Sanders_Peircehttps://it.wikipedia.org/wiki/Charles_Sanders_Peirce|Charles Sanders Peirce]]</ref>; er entwickelte nach und nach eine triadische Darstellung der Logik des Forschens. 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