The 1987 constitution introduced self-rule and shared-rule?

Yes, the 1987 Constitution of the Philippines introduced the concepts of self-rule and shared-rule in order to promote decentralization and empower local governments. Self-rule refers to the ability of local governments to govern themselves and make decisions on local matters, while shared-rule involves cooperation and coordination between the national government and local governments in addressing issues that affect the entire country. These principles were enshrined in the constitution to promote democracy, efficiency, and accountability in governance.

Yes