Keene, G. B. (1969). The relational syllogism: A systematic approach to relational logic. University of Exeter.
Chicago Style (17th ed.) CitationKeene, G. B. The Relational Syllogism: A Systematic Approach to Relational Logic. Exeter: University of Exeter, 1969.
MLA (8th ed.) CitationKeene, G. B. The Relational Syllogism: A Systematic Approach to Relational Logic. University of Exeter, 1969.
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