| What is it that is, whatever it is that there is like? London: | Der Logische Aufbau der Welt |
|---|---|
| British Journal for the History of Science | Metametaphysics |
| "The electron theory of valence" | 12 1969 : 363-381 |
|---|---|
| Hawley, Katherine 2006 | In the English language, the word comes by way of the metaphysica, the neuter plural of metaphysika |
| 132—141 | "Tractatus Logico-Philosophicus" |
|---|---|
| 149 3 : 451—470 | 1967 |