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Introduction to Relation Algebras: Relation Algebras, Volume 1/en-ca/introduction-to-relation-algebras-relation-algebras-volume-1/F50549A5-E158-44F4-8EA9-3D43A36CA7B8.htmlF50549A5-E158-44F4-8EA9-3D43A36CA7B8
Introduction To Relation Algebras: Relation Algebras, Volume 1