[PEIRCE-L] Intuitionistic logic

2021-05-16 Thread John F. Sowa
There have been some discussions about intuitionistic logic and the claim that Peirce anticipated aspects of Brouwer's version of intuitionistic logic However, Peirce and Brouwer were on opposite sides of fundamental issues about the nature of mathematics.  Peirce maintained that mathematical

Re: [PEIRCE-L] Differential Logic

2021-05-16 Thread Jon Awbrey
Cf: Survey of Differential Logic • 3 http://inquiryintoinquiry.com/2021/05/15/survey-of-differential-logic-3/ Peircers (reposting one that got lost in the 0-zone ...) I am finding one effect of the pandemic has been been to blot out my memory of much work I blogged over the year and many group d

Re: [PEIRCE-L] Differential Logic

2021-05-16 Thread Jon Awbrey
Cf: Survey of Differential Logic • 3 http://inquiryintoinquiry.com/2021/05/15/survey-of-differential-logic-3/ All, I am finding one effect of the pandemic has been been to blot out my memory of much work I blogged over the year and many group discussions I have in mind as being “recent” and “I’l