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Tasalsul is the dependence of a thing’s existence on the fulfillment of an infinite number of conditions. Typically, it is used to refer to the belief that the present is preceded by an infinite number of past events. This is impossible because an infinity of events is an endless number by events, and what is endless cannot come to an end^[1].

In proving the impossibility of the Tasalsul of time in more detail, we say: the past is the series of events which leads up to and concludes with the present moment. Thus, the sequence of events that we call the past, has an end-point by virtue of what it is^[2].

Given the above, to claim that the past is comprised of an infinite number of events, is to claim that a sequence with an end-point is endless. This is contradictory, and is therefore impossible.

[1] It is impossible for what is endless to come to an end. To make this clearer with an example: suppose someone claimed to have finished counting all the natural numbers. We would immediately know that this is a lie, because the sequence of naturals is endless. Whereas having “finished” counting this sequence, implies that this sequence has an end. And what is endless cannot have an end.

[2] The end-point being the present moment.