%0 Journal Article %A T. Kelly, Kevin %D 1988 %T Version Spaces, Structural Descriptions and NP-Completeness %U https://kilthub.cmu.edu/articles/journal_contribution/Version_Spaces_Structural_Descriptions_and_NP-Completeness/6493097 %R 10.1184/R1/6493097.v1 %2 https://kilthub.cmu.edu/ndownloader/files/11937821 %K Philosophy %X Kevin T. Kelly. Version Spaces, Structural Descriptions and NP-Completeness. %I Carnegie Mellon University