informal logic

English

Noun

informal logic (countable and uncountable, plural informal logics)

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

• 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).