 If : A line divides an endless space/ into/ two endless spaces,
then: The approximate distance to the horizon from an observer who is close to the Earth’s surface is given by: with d in kilometres and h in metres.
 If : The hierarchy of politics in society is represented by above and below,
then: a vertical direction will only be perpendicular to a horizontal plane if both are specifically defined with respect to the same point.
And at any given location, the total gravitational force (and accordingly the weight) is a
function of time.

 If : The whole composes the component and the component composes the whole,
then:
A machine manages power to accomplish a task?
Archimedes : Every part of a machine is a simple machine.
 If : an individual violates his own moral code,
then: Doubt, is a status between belief and disbelief, involves uncertainty or distrust or lack of sureness of an alleged fact, an action, a motive, or a decision.
And “Why” : may refer to: Causality, a consequential relationship between two events.

 If : “Thin air”, “Tragedy of commons”, “Totally mixed strategy”, “Indifference curve”,
“Inflation” … and “Self‐generating” are economics terms,
then : Poetry is for free.

 If : the connection between two things is a thing itself,
then : Perspective (to see through), is the way in which objects appear to the eye.
 If : all thoughts are of the same nature,
Red: the longest wavelengths of light discernible by the human eye.
The gradient is a rate of change.
This text, like any other text, is a mixture of words.