informal logic

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English[edit]

Noun[edit]

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informal logic (uncountable)

  1. that branch of logic whose task is to develop non-formal standards, criteria, procedures for the analysis, interpretation, evaluation, criticism and construction of argumentation in everyday discourse.

References[edit]

  • Stanford Encyclopedia of Philosophy (on line) - "One consequence has been to relegate informal (or applied) logic—-the study of fallacies—-to a position of minor importance” (Johnson & Blair, Logical Self Defense, 1977, p. 13).