[lit-ideas] Re: Agnotology

  • From: Robert Paul <rpaul@xxxxxxxx>
  • To: lit-ideas@xxxxxxxxxxxxx
  • Date: Tue, 19 Apr 2011 15:18:54 -0700

JL wrote


For Hintikka, it is a  theorem:

If S knows that p, S knows that he knows that  p.

This is, I think, known by some (who ought to have better things to do), as the KK Principle. It may seem to stumble over the indiscernibility of identicals, wherein, if

Myanmar = Burma

and Smith knows that (S) Myanmar is ruled by a military dictatorship, Smith ought to know that (P) Burma is ruled by a military dictatorship, so that

even though

that Myanmar is ruled by a military dictatorship entails that Burma is ruled by a military dictatorship, it might seem that if Smith knows (S), Smith knows (P); but just in case Smith is unaware of this identity, it doesn't. So he does not know that he knows that (P), and Logic is best left to Lewis Carroll.

Of course, KK works only with knowing that, not with knowing how.

As an undergraduate, W. V. Quine wrote a poem about this.

Forgive me.

Robert Paul
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