This question explores the reasoning behind the exclusion of edges when defining or analyzing resolvability parameters in graph theory. Resolvability parameters, such as the metric dimension, edge metric dimension, or mixed metric dimension, typically involve selecting subsets of vertices or combinations of vertices and edges to uniquely identify other elements of the graph based on distances or other structural properties. The question challenges the conventional approach, asking why edges alone are not included as part of the resolving set in these definitions

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