6.3431 The laws of physics, with all their logical apparatus, still speak,
however indirectly, about the objects of the world.
6.3432 We ought not to forget that any description of the world by means of
mechanics will be of the completely general kind. For example, it will
never mention particular point-masses: it will only talk about any point-
masses whatsoever.
6.35 Although the spots in our picture are geometrical figures,
nevertheless geometry can obviously say nothing at all about their actual
form and position. The network, however, is purely geometrical; all its
properties can be given a priori. Laws like the principle of sufficient
reason, etc. are about the net and not about what the net describes.
6.36 If there were a law of causality, it might be put in the following
way: There are laws of nature. But of course that cannot be said: it makes
itself manifest.
6.361 One might say, using Hertt:'s terminology, that only connexions that
are subject to law are thinkable.
6.3611 We cannot compare a process with 'the passage of time'--there is no
such thing--but only with another process (such as the working of a
chronometer). Hence we can describe the lapse of time only by relying on
some other process. Something exactly analogous applies to space: e.g. when
people say that neither of two events (which exclude one another) can
occur, because there is nothing to cause the one to occur rather than the
other, it is really a matter of our being unable to describe one of the two
events unless there is some sort of asymmetry to be found.
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