Alasdair Urquhart

Alasdair Urquhart
Born
Alasdair Ian Fenton Urquhart

20 December 1945
NationalityScottish
CitizenshipCanadian
Occupation(s)university professor, editor
Academic background
Alma materUniversity of Edinburgh, MA
University of Pittsburgh, PhD
Thesis"The Semantics of Entailment" (1973)
Doctoral advisorAlan Ross Anderson and Nuel Belnap
Academic work
DisciplinePhilosophy
Sub-disciplineNon-classical logic
InstitutionsUniversity of Toronto
University of Toronto Mississauga

Alasdair Ian Fenton Urquhart (/ˈæləsdər ˈɜːrkərt/ AL-ist-ər UR-kərt; born 20 December 1945) is a Scottish–Canadian philosopher and emeritus professor of philosophy at the University of Toronto.[1][2] He has made contributions to the field of logic, especially non-classical logic.[3] One of his ideas is proving the undecidability of the relevance logic R. He also published papers in theoretical computer science venues, mostly on mathematical logic topics of relevance to computer science.

  1. ^ "Alasdair Urquhart". Department of Philosophy. Retrieved 22 August 2022.
  2. ^ "Alasdair Urquhart's Curriculum Vita". stanford.library.sydney.edu.au. April 1998. Retrieved 22 August 2022.
  3. ^ Alasdair Urquhart on Nonclassical and Algebraic Logic and Complexity of Proofs. Outstanding Contributions to Logic. Vol. 22. 2022. doi:10.1007/978-3-030-71430-7. ISBN 978-3-030-71429-1.