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05246789 Lycke, Hans An adaptive logic for relevant classical deduction. J. Appl. Log. 5, No. 4, 602-612 (2007). 2007 Elsevier Science, Amsterdam EN ex falso quodlibet paraconsistency adaptive logics

doi:10.1016/j.jal.2006.03.011

Summary: In this paper, I show that it is possible to delete ex falso quodlibet from classical logic without depriving it of any of its deductive powers. This is done by means of the ambiguity-adaptive logic AAL$^{\text{ns}}$, which is equivalent to dCR, the deductive version of Neil Tennant's CR.