Plato's Doctrine of Truth

An essay arguing that in this allegory truth quietly changes meaning — from unconcealment, a thing stepping out of hiding, to correctness, a statement matching a state of affairs — and that Western metaphysics has run on the second meaning ever since.

The strongest modern criticism of the room it stands in, kept in the room. It also hands this app a useful distinction: revealing is not the same as being right, and a diagram can be accurate and still conceal.