This chapter examines the Causal Truth-Maker Principle introduced in Chapter 2. This says that to count as perceptual knowledge, beliefs must be caused by whatever in the world makes them true. That works well for events or states of affairs that can be located at particular times, for they can be causes. But facts of temporal order and duration — that A is earlier than B, or that C lasted for such-and-such an amount of time — are not locatable in this way, and so cannot be fitted into the causal picture. We have then a serious problem of time perception, and this chapter sets out to solve it. Keywords:perceptual knowledge,
causation,
truth-maker,
order,
duration,
Casual Truth-Maker Principle