This influential line of argument leads directly to PSA, and thence to the associated Retentional model of temporal consciousness. Although the difficulty may seem serious, the Extensional theorist has an effective line of reply: the argument in question can be seen as simply begging the question. Recall the way in which the Extensional theorist construes an individual specious present, as depicted in Figures 5 and 6: a single specious present is viewed as a temporal spread of contents that are