  PT-realists share a commitment to the Diachronic Unity Thesis (see §1.2), i.e., the claim that contents (seemingly) spread over a short temporal interval can be experienced together. The various different ways of construing the specious present reflect a divergence of opinion as to how the Diachronic Unity Thesis can be satisfied. According to one influential view, phenomenal unity – the sort of unity which exists amongst contents that are experienced together – is confined to contents which are (objectively) simultaneous. As we have just see, Kant, Brentano, Meinong and Husserl were all of the opinion that phenomenal unity is constrained in this manner. Miller (1984: 109) supplies a label for this doctrine: