FOM: Philosophy and platonism

Mark Steiner marksa at
Mon Jan 24 10:24:22 EST 2000

Stephen G Simpson wrote:
> Michael Zeleny writes:
>  > As Gottlob Frege has taught us, logic is a branch of ethics.
> Could you supply a reference to where Frege says this?
> -- Steve

How about Grundgesetze, Introduction:

	...and here what is fatal is the double meaning of hte word "law".  In
one sense a law asserts what is; in the other it prescribes what ought
to be.  Only in the latter sense can the laws of logic be called 'laws
of thought': so far as they stipulate the way in which one ought to

Mark Steiner

More information about the FOM mailing list