 A further question that remains for someone who uses the notion of similarity to answer to the Problem of Style and provide standards of accuracy in the manner under consideration here is whether it truly captures all of scientific practice. Similarity theorists are committed to the claim that whenever a scientific model represents its target system, this is established in virtue of a model user specifying a relevant similarity, and if the similarity holds, then the representational relationship is accurate. These universal aspirations require that the notion of similarity invoked capture the relationship that holds between diverse entities such as a basin-model of the San Francisco bay area, a tube map and an underground train system, and the Lotka-Volterra equations of predator-pray interaction. Whether all of these relationships can be captured in terms of similarity remains an open question. In addition, this view is commited to the idea that idealised aspects of scientific models, understood as dissimilarities between models and their targets, are misrepresenations and as such the view has difficulty capturing the positive epistemic role that such aspects can play (Nguyen 2020). 