Definition:Philosophical Element/Earth
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Definition
Earth was one of the original four elements that were postulated by the Pythagoreans to compose the Universe.
All the earthy matter of the Universe was supposed to collect at its natural place, which was the centre of the Universe, that is, Earth itself.
Sources
- 1966: Isaac Asimov: Understanding Physics ... (previous) ... (next): $\text {I}$: Motion, Sound and Heat: Chapter $1$: The Search for Knowledge: The Greek View of Motion
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $4$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $4$