@diamantis,
diamantis wrote:To my opinion, it was probably atheism of that era that inspired the presocratic cosmogony which gave birth to the following ancient greek philosophy.
... was it atheism, or just the lack (in Ionia at the time) of an entrenched priest class with a vested interest in squashing free thought? (don't the Ionians often make reference to "the gods" in their cosmogonies?) ...