One level back to Thales to Heraclitus (immediate) 3.3.3.1.1.1.1.2. Pythagoras (sensual unsensual) 3.3.3.1.1.1.1.2.1. Pythagoras system of numbers 3.3.3.1.1.1.1.2.2. Application of the number system 3.3.3.1.1.1.1.2.3. Pythagoras practical philosophy One level further to Pythagoras system of numbers One level further to Application of the number system One level further to Pythagoras practical philosophy

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Pythagoras (sensual unsensual)

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