5.4
Here it becomes clear that there are no such things as “logical objects” or “logical constants” (in the sense of Frege and Russell).
Continue
- 5.41 For all those results of truth-operations on truth-functions are identical, which are one and the…
- 5.42 That ∨, ⊃, etc., are not relations in the sense of right and left, etc., is obvious. The…
- 5.43 That from a fact p an infinite number of others should follow, namely, ~~p, ~~~~p, etc., is indeed…
- 5.44 Truth-functions are not material functions. If e.g. an affirmation can be produced by repeated…
- 5.45 If there are logical primitive signs a correct logic must make clear their position relative to one…
- 5.46 When we have rightly introduced the logical signs, the sense of all their combinations has been…
- 5.47 It is clear that everything which can be said beforehand about the form of all propositions at all…