22131
Atmospheric pressure
- 0 Hegel's 'System of Science'
- 1 Logic (Thinking of Thinking, Science of Science)
- 2 Nature (science of matter)
- 3 Spirit/Mind (Science of humanities)
- 21 Mechanics
- 22 Physics (including Chemistry)
- 23 Organism / Life (Subjectivity)
- 221 General physicalities
- 222 Peculiarities (special individuality)
- 223 Physical body (single individuality)
- 2211 Celestial bodies (solar system and universe)
- 2212 Basic elements (aggregates, phases)
- 2213 Weather (elementary process, meteorology)
- 22131 Atmospheric pressure
- 22132 Clouds and Rain
- 22133 Thunderstorm