  In fact, the antirealist’s predicament may well be more serious still. Conflating perceived motion with remembered motion is one thing, but there is an important sense in which the antirealist is not in a position to appeal to memories of motion either. A memory-replay of a prior perceiving of motion is itself a process which unfolds over time, and – on the face of it – has a dynamic character: e.g., you see (albeit in your mind’s eye) the car sweeping round the corner. Since it would be odd to hold that motion can be remembered but not perceived, the antirealist will presumably want to analyse both forms of experience in the same sort of way. Accordingly, your visual remembering (or replay) of the car’s turning the corner will take the form of a series of static memory-images of the car at particular locations, and each of these images (save the first) will be accompanied by other static images, in the form of snapshot-like memories of the car as seen at still earlier locations. Antirealism in this form may be a more consistent doctrine, but the wholesale elimination (or reduction) of the moving to the motion-free has two consequences. First of all, it is by no means obvious how our memories could have the dynamic character they seem to possess if they consisted of nothing but still images piled on top of other still images. Second, and for present purposes more importantly, the Reid-style antirealist’s account of perceived motion is significantly weakened. Realists will argue that it is not very plausible to analyse the perceived motion in terms of momentary motion-free perceptual experiences accompanied memories of motion, but it is significantly less plausible if the relevant memories, rather than being truly dynamic, are themselves composed of entirely static images.