Sure, that is widely useful. You can apply that to the real world if you then add social processes and see "knowledge" or "truth" as shared belief between a ch

Sure, that is widely useful. You can apply that to the real world if you then add social processes and see "knowledge" or "truth" as shared belief between a chosen set of people (or all of humanity). Then you can go down the whole rabbit hole of beliefe aggregation and voting theory.