[...] the phonological output is governed by a requirement that no input element may be litterally removed. To-be-deleted elements are present in the output, but marked in some way (This property is dubbed "Containment" in [McCarthy, John J. and Prince, Alan S., 1993a, Prosodic Morphology I: constraint interaction and satisfaction, ms. University of Massachusetts, Amherst, MA and Rutgers University, New Brunswick, NJ, RuCCS-TR-3] [...]).
- McCarthy & Prince (2004), Pag. 378