Matter – Everything that exists can be called matter.
It includes:
That which can be reliably understood using the five basic human senses.
That which is repeatedly registered through the use of physical devices. In the second and third cases, the category would be recognized as being registered as a result of experience.
The list includes all categories whose necessity for existence is supported by theoretical justifications that have been repeatedly confirmed by practice.
According to current thinking, matter appears to us either as matter or energy, which are unified by the well-known relation formulated by A. Einstein (see Relativity Theory, Special).
There is a possibility that matter in the process of its development passes the stage when mind should arise in the Universe.
Matter
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