Re: The role of logic, planning ...

2001-05-07 Thread Marchal
Russell Standish wrote: If treasures were not hidden in the mud, they would not be treasures :-) I suspect your words came out wrong here - do you mean A treasure hidden by mud is still a treasure? Which, of course I agree with. Thanks for correcting my words. I would be ecstatic if

Re: The role of logic, planning ...

2001-05-06 Thread Russell Standish
Marchal wrote: Hi Russell, I am glad you borrowed Booloses from a library and that you spent a while poring over my thesis. I want just made precise that I have never try to modelise knowledge by Bew(|p|). This is, actually, a rather sensible point. Most philosopher agree that

Re: The role of logic, planning ...

2001-05-05 Thread Marchal
Russell Standish wrote: Ah! You mean the problem of consciousness (or more exactly, the problem of having a theory of conscsiousness). Yes - I'm well aware of this problem, and unlike some, I don't believe it is a non-problem. OK. I prefer to call it the mind-body problem. That reminds us that

Re: The role of logic, planning ...

2001-05-03 Thread jamikes
Just as an example, he says most philosophers would agree that []A-A, where []A is interpreted as knowing A. This is clearly a different meaning of the word to know that we use here in Australia. Provided that A is not a simple artificial construct, meaning: it is a complicity

Re: The role of logic, planning ...

2001-05-03 Thread Marchal
Russell Standish wrote: I still believe my general remarks apply to your why Occam's razor. (I reprint it and I will reread it once I have more time). You put to much for me in the hypothesis. Like all physicists you seem not to be aware of the mind body problem. You are right! What is the

Re: The role of logic, planning ...

2001-05-03 Thread Russell Standish
Ah! You mean the problem of consciousness (or more exactly, the problem of having a theory of conscsiousness). Yes - I'm well aware of this problem, and unlike some, I don't believe it is a non-problem. In Occam's razor, I don't just ignore this problem, I sweep it under the rug. At some stage I

Re: The role of logic, planning ...

2001-05-02 Thread Marchal
Russell Standish wrote (to George): I don't think Bruno's conclusion is weird. I come to essentially the same conclusion in Occam, without the need for formalising Knowledge, nor the need to use Modal logic. The fact that you come to the same conclusion does not mean these conclusions are not

Re: The role of logic, planning ...

2001-05-02 Thread rwas rwas
Just as an example, he says most philosophers would agree that []A-A, where []A is interpreted as knowing A. This is clearly a different meaning of the word to know that we use here in Australia. I get the impression folks here assume that when one person knows something, that only

Re: The role of logic, planning ...

2001-05-01 Thread Marchal
Hi Russell, I spent a while poring over Bruno's thesis, and borrowed Boolos from a local university library to udnerstand more what it was about. I didn't go into too great a length into the results and structure of Modal logic, although I gained an appreciation, and an understanding of

Re: The role of logic, planning ...

2001-05-01 Thread Marchal
Hi Russell, I spent a while poring over Bruno's thesis, and borrowed Boolos from a local university library to udnerstand more what it was about. I didn't go into too great a length into the results and structure of Modal logic, although I gained an appreciation, and an understanding of

Re: The role of logic, planning ...

2001-05-01 Thread Marchal
George Levy wrote: Marchal wrote: And we have as results (including the exercices!): Any frame (W,R) respects K A frame (W,R) respects T iff R is reflexive A frame (W,R) respects 4 iff R is transitive A frame (W,R) respects 5 iff R is euclidian (where R is Euclidian means that if xRy

Re: The role of logic, planning ...

2001-05-01 Thread Marchal
George Levy wrote: Marchal wrote: And we have as results (including the exercices!): Any frame (W,R) respects K A frame (W,R) respects T iff R is reflexive A frame (W,R) respects 4 iff R is transitive A frame (W,R) respects 5 iff R is euclidian (where R is Euclidian means that if xRy

Re: The role of logic, planning ...

2001-05-01 Thread Hal Ruhl
Dear Russell: At 5/2/01, you wrote: Incidently, I didn't mean to imply that this sort of modeling of Knowlegde was inappropriate, only that there was no discussion as to why one would want to model it in this particular way. Its really the same as when Hal Ruhl (and I admit I'm putting words in

Re: The role of logic, planning ...

2001-05-01 Thread Marchal
Hi Russell, I spent a while poring over Bruno's thesis, and borrowed Boolos from a local university library to udnerstand more what it was about. I didn't go into too great a length into the results and structure of Modal logic, although I gained an appreciation, and an understanding of

Re: The role of logic, planning ...

2001-04-30 Thread George Levy
Hi Marchal, This is a reply to your last two posts. I hope other everythingers beside myself are attempting to follow this adventure in logic. It appears to be really worth the effort. Please feel free to contribute to this exchange. Marchal wrote: And we have as results (including the