Perhaps this book will be understood only by someone who has himself already had the thoughts that are expressed in it--or at least similar thoughts.--So it is not a textbook.--Its purpose would be achieved if it gave pleasure to one person who read and understood it. (查看原文)
2.021 Objects make up the substance of the world. That is why they cannot be composite.
2.0211 If the world had no substance, then whether a proposition had sense would depend on whether another proposition was true.
2.0212 In that case we could not sketch any picture of the world (true or false).
2.022 It is obvious that an imagined world, however difference it may be from the real one, must have something-- a form--in common with it. (查看原文)
2.0231 The substance of the world can only determine a form, and not any material properties. For it is only by means of propositions that material properties are represented--only by the configuration of objects that they are produced. (查看原文)
2.012 In logic nothing is accidental: if a thing can occur in a state of affairs, the possibility of the state of affairs must be written into the thing itself.
2.0121 It would seem to be a sort of accident, if it turned out that a situation would fit a thing that could already exist entirely on its own.
If things can occur in states of affairs, this possibility must be in them from the beginning.
(Nothing in the province of logic can be merely possible. Logic deals with every possibility and all possibilities are its facts.)
Just as we are quite unable to imagine spatial objects outside space or temporal objects outside time, so too there is no object that we can imagine excluded from the possibility of combining with others.
If I can imagine objects combined in states of affai... (查看原文)
