Figures

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____________________
A         B         C

Fig. 1. As P moves along the timeline, P is located at each point on the
line for exactly one moment (i.e., for a duration of exactly zero). If P
comes to a halt at C, P cannot be said to be in existence at C.








Scenario 1:   __________
              A         B         C

Scenario 2:   ____________________
              A         B         C

Scenario 3:   ______________________________
              A         B         C         D

Scenario 4:   _______________________________________ Infinity
              A         B         C         D

Fig. 2. Four possible scenarios for P's motion across the timeline.








____________________
A         B         C

Fig. 3. P cannot exist at the initial point, A. If P exists "now" (at B), P
must have existed before "now" (before B).