Indiana University - Purdue University Fort Wayne Opus: Research & Creativity at IPFW Philosophy Faculty Publications Department of Philosophy 7-1991 Dialectic and Indirect Proof Clark Butler Indiana University - Purdue University Fort Wayne, butler@ipfw.edu Tis research is a product of the Department of Philosophy faculty at Indiana University-Purdue University Fort Wayne. Follow this and additional works at: htp://opus.ipfw.edu/philos_facpubs Part of the Philosophy Commons Tis Article is brought to you for free and open access by the Department of Philosophy at Opus: Research & Creativity at IPFW. It has been accepted for inclusion in Philosophy Faculty Publications by an authorized administrator of Opus: Research & Creativity at IPFW. For more information, please contact admin@lib.ipfw.edu. Opus Citation Clark Butler (1991). Dialectic and Indirect Proof. Monist.74 (3), 422-438. htp://opus.ipfw.edu/philos_facpubs/219