4.24
The names are the simple symbols, I indicate them by single letters (x, y, z). The elementary proposition I write as function of the names, in the form “fx”, “φ(x,y)”, etc. Or I indicate it by the letters p, q, r.
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- 4.241 If I use two signs with one and the same meaning, I express this by putting between them the sign…
- 4.242 Expressions of the form “a=b” are therefore only expedients in presentation: They assert nothing…
- 4.243 Can we understand two names without knowing whether they signify the same thing or two different…