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  1. Leo Groarke, Informal Logic.
    Informal logic is the attempt to develop a logic to assess, analyse and improve ordinary language (or "everyday") reasoning. It intersects with attempts to understand such reasoning from the point of view of philosophy, formal logic, cognitive psychology, and a range of other disciplines. Most of the work in informal logic focuses on the reasoning and argument (in the premise-conclusion sense) one finds in personal exchange, advertising, political debate, legal argument, and the social commentary that characterizes newspapers, television, the World (...)
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  2. Leo Groarke (forthcoming). Ancient Skepticism. Stanford Encyclopedia of Philosophy.
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  3. Leo Groarke (forthcoming). Lógica Informal. Stanford Encyclopedia of Philosophy.
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  4. Leo Groarke (2009). Review of Douglas Walton, Chris Reed, Fabrizio Macagno, Argumentation Schemes. [REVIEW] Notre Dame Philosophical Reviews 2009 (2).
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  5. Leo Groarke (2008). Good Reasoning Matters!: A Constructive Approach to Critical Thinking. Oxford University Press.
    Offering an innovative approach to critical thinking, Good Reasoning Matters! identifies the essential structure of good arguments in a variety of contexts and also provides guidelines to help students construct their own effective arguments. In addition to examining the most common features of faulty reasoning--slanting, bias, propaganda, vagueness, ambiguity, and a common failure to consider opposing points of view--the book introduces a variety of argument schemes and rhetorical techniques. This edition adds material on visual arguments and more exercises.
     
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  6. Leo Groarke & Gary Warrick (2006). Stewardship Gone Astray? Ethics and the SAA. In Chris Scarre & Geoffrey Scarre (eds.), The Ethics of Archaeology. Cambridge University Press. 163--180.
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  7. Leo Groarke (2003). Cohen's Arguments and Metaphors in Philosophy. Informal Logic 23 (2).
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  8. Leo Groarke (2002). Johnson on the Metaphysics of Argument. Argumentation 16 (3):277-286.
    This paper responds to two aspects of Ralph Johnson's Manifest Rationality (2000). The first is his critique of deductivism. The second is his failure to make room for some species of argument (e.g., visual and kisceral arguments) proposed by recent commentators. In the first case, Johnson holds that argumentation theorists have adopted a notion of argument which is too narrow. In the second, that they have adopted one which is too broad. I discuss the case Johnson makes for both claims, (...)
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  9. Leo Groarke & Louis Groarke (2002). Hilary Putnam on the End(s) of Argument. Philosophica 69:41-60.
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  10. Leo Groarke (1999). Deductivism Within Pragma-Dialectics. Argumentation 13 (1):1-16.
    The present paper elaborates a deductivist account of natural language argu-ment in the context of pragma-dialectics. It reviews earlier debates, criticizes some standard misconceptions in the literature, and argues that the identification and analysis of deductive argument schemes can be the basis of a compelling theory of argumentative discourse.
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  11. Leo Groarke (1996). A Reply to Professor Sumner. Dialogue 35 (02):387-.
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  12. Leo Groarke (1996). Logic, Art and Argument. Informal Logic 18 (2).
    Most infonnallogic texts and articles assume a verbal account of reasoning which defines "argument" as a set of sentences. The present paper broadens this definition in order to account for "visual arguments" which are communicated with nonverbal visual images. Standard approaches to verbal arguments are extended in a way that allows them to explain and evaluate visual argumentation.
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  13. Leo Groarke (1996). What's in a Number? Consequentialism and Employment Equity in Hall, Hurka, Sumner and Baker Et Al. Dialogue 35 (02):359-.
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  14. Leo Groarke (1994). Form and Transformation: A Study in the Philosophy of Plotinus Frederic M. Schroeder McGill-Queen's Studies in the History of Ideas, Vol. 16. Kingston and Montreal: McGill-Queen's University Press, 1992, Xiv + 125 Pp., $34.95. [REVIEW] Dialogue 33 (04):751-.
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  15. Leo Groarke (1993). Paul Kurtz, The New Skepticism: Inquiry and Reliable Knowledge Reviewed By. Philosophy in Review 13 (2):101-103.
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  16. Leo Groarke (1991). The Toils of Scepticism. International Studies in Philosophy 23 (3):95-95.
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  17. Leo Groarke (1991). Woods and Walton on the Fallacies, 1972-1982. Informal Logic 13 (2).
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  18. Leo Groarke & Graham Solomon (1991). Some Sources for Hume's Account of Cause. Journal of the History of Ideas 52 (4):645-663.
    We show that four central aspects of Hume's account of cause were contained and available to him in the translation of Sextus Empiricus' "Outlines of Pyrrhonism" contained in Thomas Stanley's 1687 _History of Philosophy.
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  19. D. W. Hamlyn, Jonathan Barnes & Leo Groarke (1991). The Toils of Scepticism.Greek Scepticism: Anti-Realist Trends in Ancient Thought. Philosophical Quarterly 41 (165):512.
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  20. Leo Groarke (1990). Affirmative Action as a Form of Restitution. Journal of Business Ethics 9 (3):207 - 213.
    Though the common sense defense of affirmative action (or employment equity) appeals to principles of restitution, philosophers have tried to defend it in other ways. In contrast, I defend it by appealing to the notion of restitution, arguing (1) that alternative attempts to justify affirmative action fail; and (2) that ordinary affirmative action programs need to be supplemented and amended in keeping with the principles this suggests.
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  21. Leo Groarke (1990). Douglas N. Walton, Informal Logic: A Handbook for Critical Argumentation Reviewed By. Philosophy in Review 10 (7):294-296.
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  22. Leo Groarke (1988). Protecting One's Own: Hobbes, Realism and Disarmament. Public Affairs Quarterly 2 (1):89-107.
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  23. Leo Groarke (1987). Parmenides' Timeless Universe, Again. Dialogue 26 (03):549-.
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  24. Leo Groarke (1985). Parmenides' Timeless Universe. Dialogue 24 (03):535-.
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  25. Leo Groarke (1985). The Socratic Dictum and the Importance of Philosophy. Teaching Philosophy 8 (3):193-199.
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  26. Leo Groarke (1985). The Skeptical Tradition Myles Burnyeat, Editor Berkeley, CA: University of California Press, 1983. Pp. 450. $38.50 Cloth: $10.95 Paper. [REVIEW] Dialogue 24 (04):746-.
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  27. Leo Groarke (1984). Descartes' First Meditation: Something Old, Something New, Something Borrowed. Journal of the History of Philosophy 22 (3):281-301.
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  28. Leo Groarke (1984). On Nicholas of Autrecourt and the Law of Non-Contradiction. Dialogue 23 (01):129-134.
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  29. Leo Groarke (1984). When Two Wrongs Make A Right. Informal Logic 5 (1).
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