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1 January 2026

2 December 2025

1 December 2025

28 June 2025

15 May 2025

2 December 2024

15 May 2022

29 June 2021

31 August 2020

25 April 2020

  • curprev 01:3001:30, 25 April 2020 ELApro talk contribs 31,582 bytes +140 Quotes: minor addition to previous quote - Turing, "On Computable Numbers, with an Application to the Entscheidungsproblem": The "computable" numbers may be described briefly as the real numbers whose expressions as a decimal are calculable by finite means undo

24 April 2020

  • curprev 22:1122:11, 24 April 2020 ELApro talk contribs 31,442 bytes +1,211 Quotes: Turing, "On Computable Numbers, with an Application to the Entscheidungsproblem" a number is computable if its decimal can be written down by a machine. They include..real parts of all algebraic numbers..real parts of the zeros of the Bessel functions..π, e, etc..[C]onclusions are reached..similar to..Gödel..the Hilbertian Entscheidungsproblem can have no solution..Church... reaches similar conclusions undo

14 March 2018

7 March 2018

3 February 2018

4 January 2018

  • curprev 01:4701:47, 4 January 2018 ELApro talk contribs 28,765 bytes +1,118 Quotes: Smith, "The Teaching of Elementary Mathematics": conclusions of writers: learn to count/acquire the number series & beyond the circle counted/learn the symbols/Unconsciously acquire 1-to-1 correspondence of number:name:symbol/ratio idea early undo

3 January 2018

2 January 2018

  • curprev 19:5919:59, 2 January 2018 ELApro talk contribs 27,621 bytes +937 Quotes: Dedekind "Essays..Theory of Numbers":number concept independent of notions space/time..numbers=free creations of mind..a means of apprehending difference of things..logical building continuous number-domain & investigate space/time in relation undo

1 January 2018

  • curprev 18:2418:24, 1 January 2018 ELApro talk contribs 26,684 bytes +1,646 Quotes: Toulmin, "Human Understanding..": Frege-beside the point historical gropings toward 'pure' number-conceptions..ideal/final/unique intellectual standard..logic..Peano Frege's ''Foundations"->Russell & 50yr philosophy of science undo

31 December 2017

12 February 2013

8 February 2013