Topology of the foundation

3-16

The foundation as fire and as logos

17-32

"Erörterung" of the foundation

the place, the end

33-42

The path

from the foundation to the abyss

43-52

On the way towards thought

55-66

The abacus and the mirror

67-96

"As if we were children…"

97-107

The path

from the principle of reason to meditating thought

109-130