Deductive Logic, Including Qualified Reasoning


Ennis, R. H. (2007). 'Probable' and its equivalents. In Hans V.Hansen & Robert C. Pinto (Eds.), Reason reclaimed: Essays in honor of J. Anthony Blair and Ralph H. Johnson. Newport News, VA: Vale Press. Pp. 243-256.

Ennis, R. H. (2006). 'Probably'. In David Hitchcock & Bart Verheij (Eds.), Arguing on the Toulmin model. Dordrecht, the Netherlands: Springer. Pp. 145-164.

Ennis, R. H. (2004). Applying soundness standards to qualified reasoning. Informal Logic, 24, 1, 23-39.

Ennis, R. H. (2001). Argument appraisal strategy: A comprehensive approach. Informal Logic, 21.2 (2), 97-140.

Ennis, R. H.  (1996) Critical thinking.  Upper Saddle River, NJ: Prentice-Hall.

Sutton, R. & Ennis, R. H. (1985).  Logical operations in the classroom.  In Husen, T. and Postlethwaite, T. N. (Eds.), International encyclopedia of education: Research and studies.  Oxford: Pergamon Press. Pp. 3129-3139

Ennis, R.H. (1981).  A conception of deductive logic competence.  Teaching Philosophy, 4, 337-385.

Ennis, R.H.  (1976).  An alternative to Piaget's conceptualization of logical competence.  Child Development, 47, 903-919.

Ennis, R.H. (1975).  Children's ability to handle Piaget's propositional logic:  A conceptual critique.  Review of Educational Research, 45, 1-41.

Ennis, R.H. (1971).  Conditional logic and primary school children: A developmental study.  Interchange, 2, 126-132.

Ennis, R. H.  (1969).  Ordinary logic.  Englewood Cliffs, NJ:  Prentice-Hall.

Ennis, R. H.  (1969).  Logic in teaching.  Englewood Cliffs, NJ:  Prentice-Hall.

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