2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/104116The attempt to equate operator quantum error correction (quant-ph/0504189v1) with the quantum computer condition (quant-ph/0507141) in version two of quant-ph/0504189 is shown to be invalid.1 1/2 pagesQuantum Physicstext