Reality is either this or that.
Either this is real; or that is real; or this & that are real; or this & that are unreal.
All possibilities exist.
With possibility I have choice.
I have a choice between this & that.
Without choice there is no this or that, just this.
Just this has no choice.
Just this has no reality.
This or that creates a space between.
Space is a creation of the choice between this & that.
Without this & that there is no Space.
I can choose this, or that, or the space between.
The Space between creates the Reality of Time.
Time is the distance between this and that relative to my speed.
This & that created time, speed and distance.
Without this & that there is no time, no speed and no distance.
There is no Time, no Space, and no Reality.
This & That are essential to a Space-Time-Reality.