structure for 'Natural Reality'    |     alphabetical list of themes    |     expand these ideas

27. Natural Reality / A. Physics / 1. Matter / e. Greek elements

[earth, air, fire and water etc.]

18 ideas
The sayings of Heraclitus are still correct, if we replace 'fire' with 'energy' [Heraclitus, by Heisenberg]
Heraclitus said fire could be transformed to create the other lower elements [Heraclitus, by Diog. Laertius]
Heraclitus says that at some time everything becomes fire [Heraclitus, by Aristotle]
Heraclitus said sometimes everything becomes fire [Heraclitus, by Aristotle]
He taught that there are two elements, fire the maker, and earth the matter [Parmenides, by Diog. Laertius]
Anaxagoreans regard the homoeomeries as elements, which compose earth, air, fire and water [Anaxagoras, by Aristotle]
Empedocles said that there are four material elements, and two further creative elements [Empedocles, by Aristotle]
Empedocles says bone is water, fire and earth in ratio 2:4:2 [Empedocles, by Inwood]
Fire, Water, Air and Earth are elements, being simple as well as homoeomerous [Empedocles, by Aristotle]
The Four Elements must change into one another, or else alteration is impossible [Aristotle]
Fire is hot and dry; Air is hot and moist; Water is cold and moist; Earth is cold and dry [Aristotle]
An element is what bodies are analysed into, and won't itself divide into something else [Aristotle]
I claim that Aristotle's foundation is the four elements, and not wholly potential prime matter [Aristotle, by Gill,ML]
When Aristotle's elements compound they are stable, so why would they ever separate? [Weisberg/Needham/Hendry on Aristotle]
Fire is a separate element, not formed with others (as was previously believed) [Chrysippus, by Stobaeus]
Stoics say earth, air, fire and water are the primary elements [Chrysippus, by Plutarch]
Aether moves in circles and is imperishable; the four elements perish, and move in straight lines [Gill,ML]
Lavoisier's elements included four types of earth [Weisberg/Needham/Hendry]