Re: LEM Re: [PEIRCE-L] Lowell Lecture 1.8

2017-10-17 Thread kirstima
John, Jerry, list I feel utterly surprised. It never occurred to me that LEM could be taken as a 'technical' term. - Thank you Jerry for correcting that mistake. The three basic assumtions of modern logic are, of course, intertwined. If LEM is put questionable, the other two simultaneously b

Re: LEM Re: [PEIRCE-L] Lowell Lecture 1.8

2017-10-15 Thread John F Sowa
Jerry, I was making a narrow, noncontroversial point. LEM plays a central role in triad, the logic of logic, the logic of mathematics and the logic of science. LEM is an assumption in many versions of logic. If you prefer a 3-valued logic, feel free to adopt it. It's your choice. [JFS] Y

Re: LEM Re: [PEIRCE-L] Lowell Lecture 1.8

2017-10-14 Thread Jerry LR Chandler
List, John: Comments on “technical” aspects of Law of Excluded Middle (LEM) are inserted. > On Oct 12, 2017, at 3:15 PM, John F Sowa wrote: > > Jerry and Kirstima, > > Jerry >> the issue of the "Law of the Excluded Middle” is a red herring to me. > > Kirstima >> LEM presents one of the three

Re: LEM Re: [PEIRCE-L] Lowell Lecture 1.8

2017-10-12 Thread John F Sowa
Jerry and Kirstima, Jerry the issue of the "Law of the Excluded Middle” is a red herring to me. Kirstima LEM presents one of the three basic misassumptions in modern logic. LEM is a convention used in a technical (mathematical) sense. It's important to keep the conventions distinct from ord

LEM Re: [PEIRCE-L] Lowell Lecture 1.8

2017-10-12 Thread Jerry LR Chandler
List , John: I wrote: "Because it violates the common sense of the meaning of natural language terms in the premise.” John, your introducing the issue of the "Law of the Excluded Middle” is a red herring to me. Let me add a word or two to clarify my intent. My concern is rather esoteric from