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|Description=According to [[Patrick Fraser|Fraser]] and [[Ameer Sarwar|Sarwar]], "[[Compatibility (Fraser-Sarwar-2018)|compatibility]] is a distinct epistemic stance that agents can take towards elements".[[CiteRef::Fraser and Sarwar (2018)|p.70]] They show this by arguing that it is possible to take the stance of compatibility towards a pair of elements without taking any of the other stances towards these elements.* Thus, compatibility is distinct from [[Theory Acceptance|acceptance]], since two elements need not be in the same mosaic, or even accepted by any agent to be considered, in principle, compatible. For example, an epistemic agent may consider Ptolemaic astrology compatible with Aristotelian natural philosophy without accepting either Ptolemaic astrology or Aristotelian natural philosophy. * Compatibility is also different from [[Theory Use|use]], since a pair of theories can be considered compatible regardless of whether any of them is considered useful. For instance, one can consider quantum mechanics and evolutionary biology compatible, while finding only the former useful. * Finally, compatibility is also distinct from [[Theory Pursuit|pursuit]], since an agent can consider a pair of theories compatible with or without pursuing either. An agent, for instance, may find two alternative quantum theories pursuitworthy while clearly realizing that the two are incompatible.