Matches in DBpedia 2014 for { ?s ?p Alasdair Ian Fenton Urquhart, born 20 December 1945, is an emeritus Professor of Philosophy at the University of Toronto. He has made notable contributions to the field of logic, especially non-classical logic. One of his most notable achievements is proving the undecidability of the relevance logic R.. }
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- Alasdair_Urquhart comment "Alasdair Ian Fenton Urquhart, born 20 December 1945, is an emeritus Professor of Philosophy at the University of Toronto. He has made notable contributions to the field of logic, especially non-classical logic. One of his most notable achievements is proving the undecidability of the relevance logic R.".