Why the occur-check is not a problem

Additional Metadata
MSC	Logic programming (msc 68N17)
Publisher	Springer
Series	Lecture Notes in Computer Science
Conference	Programming Language Implementation and Logic Programming
Organisation	Networks and Optimization
Citation APA APA Style APA-ALL Style AAA Style Cell Style Chicago Style Harvard Style IEEE Style MLA Style Nature Style Vancouver Style American-Institute-of-Physics Style Council-of-Science-Editors Style BibTex Format Endnote Format RIS Format CSL Format DOIs only Format	Apt, K.& Pellegrini, A. (1992). Why the occur-check is not a problem. Programming Language Implementation and Logic Programming 1992 (PLILP 4), 69–86.

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