University of Colorado, Boulder CU Scholar Computer Science Technical Reports Computer Science Spring 5-1-1980 A Morphic Representation of Compliments of Recursively Enumerable Sets ; CU-CS-193-80 Andrzej Ehrenfeucht University of Colorado Boulder Grzegorz Rozenberg University of Leiden Ruohonen University of Colorado Boulder Follow this and additional works at: hp://scholar.colorado.edu/csci_techreports is Technical Report is brought to you for free and open access by Computer Science at CU Scholar. It has been accepted for inclusion in Computer Science Technical Reports by an authorized administrator of CU Scholar. For more information, please contact [email protected]. Recommended Citation Ehrenfeucht, Andrzej; Rozenberg, Grzegorz; and Ruohonen, "A Morphic Representation of Compliments of Recursively Enumerable Sets ; CU-CS-193-80" (1980). Computer Science Technical Reports. 190. hp://scholar.colorado.edu/csci_techreports/190