Elimination of composite superpositions may cause abortion

Andrea Sattler-Klein
1991 Journal of symbolic computation  
We will show by examples that the elimination of composite superpositions during the completion of a term rewriting system may lead to an unnecessary stop with failure that cannot be prevented by postponing critical pairs.
doi:10.1016/s0747-7171(08)80045-4 fatcat:dqyluythn5ekzgcdsnuphcuqra