Is the investigation of the nature and structure of reality who argued that "all is change," and "change alone is unchanging"?

"Metaphysics" is the investigation of the nature and structure of reality who argued that "all is change," and "change alone is unchanging"?

Metaphysics refers to the philosophical examination whose protest is to decide the genuine idea of things—to decide the importance, structure, and standards of whatever is seeing that it is. In spite of the fact that this examination is prominently imagined as alluding to anything unnecessarily unobtrusive and exceedingly hypothetical and despite the fact that it has been exposed to numerous reactions, it is displayed by metaphysicians as the most major and most exhaustive of request, while it is worried about reality as a whole.