Such principles marked a relaxation of control over ideology. In stating the four cardinal principles, an implication was that these four topics could not be questioned, but political ideas other than those in the list could be debated. Moreover, while the principles themselves are not subject to debate, the interpretations of those principles are.[citation needed]
On the other hand, the principles were proclaimed as a sign of adherence to the communist ideology, thus paving the secure way to reevaluation of the Cultural Revolution while preserving ideological stability and legitimacy of the CCP as a response to the Democracy Wall movement.[9]