Logic and Philosophy of Mathematics

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Godel caught up in a constructivist spiderweb

Last post by godelian « Sat Mar 23, 2024 3:54 am

by godelian » Sat Mar 23, 2024 3:54 am

0 Replies

18115 Views

Last post by godelian
Sat Mar 23, 2024 3:54 am
0 is not a number

Last post by godelian « Tue Mar 19, 2024 6:04 am
Replies: 32
by Zarathustra » Thu Mar 14, 2024 1:26 am
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32 Replies

23965 Views

Last post by godelian
Tue Mar 19, 2024 6:04 am
Zero divided by zero revisited

Last post by Skepdick « Sun Mar 10, 2024 12:51 pm
Replies: 44
by alan1000 » Sat Dec 23, 2023 1:10 pm
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44 Replies

36449 Views

Last post by Skepdick
Sun Mar 10, 2024 12:51 pm
Is it possible to define a measure of how interesting is a given mathematical theory?

Last post by Impenitent « Fri Feb 23, 2024 10:50 pm
Replies: 6
by mephist » Thu Dec 21, 2023 6:19 pm

6 Replies

10818 Views

Last post by Impenitent
Fri Feb 23, 2024 10:50 pm
Zero divided by Zero =

Last post by wtf « Sat Jan 06, 2024 4:17 am
Replies: 43
by Dontaskme » Fri Apr 14, 2023 6:14 pm
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43 Replies

43413 Views

Last post by wtf
Sat Jan 06, 2024 4:17 am
Tarski Undefinability Theorem Succinctly Refuted

Last post by alan1000 « Thu Dec 28, 2023 2:40 pm
Replies: 108
by PeteOlcott » Tue Apr 02, 2019 9:48 pm
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108 Replies

84494 Views

Last post by alan1000
Thu Dec 28, 2023 2:40 pm
Set Theory is Ignorance/Maya

Last post by alan1000 « Thu Dec 28, 2023 2:14 pm
Replies: 7
by roydop » Mon Feb 13, 2023 3:54 pm

7 Replies

11879 Views

Last post by alan1000
Thu Dec 28, 2023 2:14 pm
Are Physical Quantities Additive?

Last post by alan1000 « Sat Dec 23, 2023 12:26 pm
Replies: 2
by Paul Talbot » Sat Sep 23, 2023 9:53 pm

2 Replies

10112 Views

Last post by alan1000
Sat Dec 23, 2023 12:26 pm
The gold standard book, and books, on logic? +more

Last post by Zarathustra « Wed Dec 13, 2023 2:12 pm
Replies: 20
by Boblitico8 » Sun Sep 17, 2023 1:10 pm
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20 Replies

21105 Views

Last post by Zarathustra
Wed Dec 13, 2023 2:12 pm
1=0 III

Last post by commonsense « Wed Nov 29, 2023 9:44 pm
Replies: 141
by Eodnhoj7 » Thu Nov 03, 2022 11:46 pm
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141 Replies

113887 Views

Last post by commonsense
Wed Nov 29, 2023 9:44 pm
Requiring the logically impossible is always an invalid requirement

Last post by Skepdick « Fri Oct 20, 2023 6:23 pm
Replies: 36
by PeteOlcott » Fri Oct 20, 2023 3:28 am
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36 Replies

25794 Views

Last post by Skepdick
Fri Oct 20, 2023 6:23 pm
This clearly answers the question: "Why does mathematics appear to have both discovered and invented qualities?"

Last post by roydop « Tue Oct 17, 2023 10:19 pm
Replies: 63
by roydop » Sun Oct 08, 2023 4:23 pm
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63 Replies

44920 Views

Last post by roydop
Tue Oct 17, 2023 10:19 pm
As long as True(L,x) remains uncomputable humanity may soon perish

Last post by PeteOlcott « Sun Oct 15, 2023 2:21 am
Replies: 63
by PeteOlcott » Sat Apr 29, 2023 10:25 pm
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63 Replies

44051 Views

Last post by PeteOlcott
Sun Oct 15, 2023 2:21 am
Self Referential Undecidability Construed as Incorrect Questions

Last post by PeteOlcott « Sat Oct 14, 2023 11:11 pm
Replies: 24
by PeteOlcott » Thu Oct 12, 2023 3:50 pm
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24 Replies

18870 Views

Last post by PeteOlcott
Sat Oct 14, 2023 11:11 pm
Logic: Where Correct Thought and Correct Sense Contradict

Last post by restlessboy « Wed Oct 11, 2023 5:28 am
Replies: 61
by Eodnhoj7 » Wed Apr 12, 2023 11:55 pm
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61 Replies

47870 Views

Last post by restlessboy
Wed Oct 11, 2023 5:28 am
Finitism made precise

Last post by promethean75 « Fri Sep 29, 2023 12:38 pm
Replies: 30
by Skepdick » Tue Sep 19, 2023 10:53 am
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30 Replies

24184 Views

Last post by promethean75
Fri Sep 29, 2023 12:38 pm
The Contradiction of the Point

Last post by Wizard22 « Sat Sep 02, 2023 8:39 am
Replies: 80
by Eodnhoj7 » Fri Mar 10, 2023 8:58 pm
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80 Replies

68009 Views

Last post by Wizard22
Sat Sep 02, 2023 8:39 am
Binary

Last post by Age « Fri Sep 01, 2023 2:04 pm
Replies: 88
by Gary Childress » Fri Aug 25, 2023 11:46 am
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88 Replies

45297 Views

Last post by Age
Fri Sep 01, 2023 2:04 pm
The Contradiction of Identity

Last post by popeye1945 « Thu Aug 10, 2023 11:36 am
Replies: 11
by Eodnhoj7 » Sun Jun 04, 2023 11:44 pm

11 Replies

10811 Views

Last post by popeye1945
Thu Aug 10, 2023 11:36 am
Infinity-big and Infinity-small in Physics.

Last post by alan1000 « Sun Jul 23, 2023 12:18 pm
Replies: 2
by socrat44 » Fri Jun 23, 2023 11:32 am

2 Replies

9682 Views

Last post by alan1000
Sun Jul 23, 2023 12:18 pm
Philosophy forums and random phrase generators

Last post by Impenitent « Thu Jun 22, 2023 12:28 am
Replies: 11
by alan1000 » Tue Jun 28, 2022 2:30 pm

11 Replies

11773 Views

Last post by Impenitent
Thu Jun 22, 2023 12:28 am
Fight of the century: Trokanmariel vs. Samana

Last post by Impenitent « Thu May 25, 2023 7:31 pm
Replies: 7
by alan1000 » Thu Mar 09, 2023 3:17 pm

7 Replies

9150 Views

Last post by Impenitent
Thu May 25, 2023 7:31 pm
The principle of explosion diverges from correct reasoning

Last post by Skepdick « Thu May 25, 2023 6:41 pm
Replies: 44
by PeteOlcott » Mon May 22, 2023 3:36 pm
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44 Replies

23556 Views

Last post by Skepdick
Thu May 25, 2023 6:41 pm
The Liar Paradox

Last post by Eodnhoj7 « Thu May 18, 2023 12:21 am
Replies: 10
by Gary Childress » Mon Mar 20, 2023 2:32 pm

10 Replies

9726 Views

Last post by Eodnhoj7
Thu May 18, 2023 12:21 am
The Logic Behind Everything and Nothing

Last post by Eodnhoj7 « Wed May 17, 2023 7:21 pm
Replies: 30
by Eodnhoj7 » Fri Apr 21, 2023 9:12 pm
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30 Replies

19523 Views

Last post by Eodnhoj7
Wed May 17, 2023 7:21 pm
∃G ∈ F (G ↔ (F ⊬ G))

Last post by Agent Smith « Wed May 10, 2023 6:20 am
Replies: 2
by PeteOlcott » Sat Apr 22, 2023 2:59 pm

2 Replies

7984 Views

Last post by Agent Smith
Wed May 10, 2023 6:20 am
There exists a G in F that proves its own unprovability in F

Last post by Agent Smith « Thu May 04, 2023 3:44 am
Replies: 12
by PeteOlcott » Tue Apr 25, 2023 5:49 pm

12 Replies

9107 Views

Last post by Agent Smith
Thu May 04, 2023 3:44 am
G asserts its own unprovability in F

Last post by Agent Smith « Wed May 03, 2023 5:08 am
Replies: 256
by PeteOlcott » Mon Apr 17, 2023 4:47 am
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256 Replies

49626 Views

Last post by Agent Smith
Wed May 03, 2023 5:08 am
The Contradiction of Math/Geometry

Last post by Eodnhoj7 « Thu Apr 20, 2023 12:00 am
Replies: 12
by Eodnhoj7 » Fri Feb 24, 2023 10:11 pm

12 Replies

9563 Views

Last post by Eodnhoj7
Thu Apr 20, 2023 12:00 am
Why I Don't Accept the Axioms of Math

Last post by Eodnhoj7 « Wed Apr 19, 2023 11:49 pm
Replies: 32
by Eodnhoj7 » Fri Mar 10, 2023 9:18 pm
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32 Replies

21237 Views

Last post by Eodnhoj7
Wed Apr 19, 2023 11:49 pm
Tarski Undefinability Theorem proof’s Error

Last post by PeteOlcott « Fri Apr 07, 2023 3:30 pm
Replies: 54
by PeteOlcott » Wed Mar 29, 2023 5:01 am
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54 Replies

27240 Views

Last post by PeteOlcott
Fri Apr 07, 2023 3:30 pm
A proof of G in F

Last post by Skepdick « Wed Mar 29, 2023 8:10 pm
Replies: 52
by PeteOlcott » Mon Mar 27, 2023 4:09 pm
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52 Replies

27694 Views

Last post by Skepdick
Wed Mar 29, 2023 8:10 pm
An Open Letter to Mathematicians

Last post by Dontaskme « Sat Mar 18, 2023 6:50 pm
Replies: 31
by roydop » Sat Mar 11, 2023 3:53 pm
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31 Replies

19026 Views

Last post by Dontaskme
Sat Mar 18, 2023 6:50 pm
Help with First Order Logic Proofs

Last post by alan1000 « Thu Mar 09, 2023 3:10 pm
Replies: 1
by jamie1993 » Sat Jan 14, 2023 11:21 pm

1 Replies

7847 Views

Last post by alan1000
Thu Mar 09, 2023 3:10 pm
The Paradox of the Non-Existence of Self

Last post by Agent Smith « Tue Mar 07, 2023 6:35 am
Replies: 20
by Magnolia5275 » Sat Dec 31, 2022 12:11 pm
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20 Replies

12455 Views

Last post by Agent Smith
Tue Mar 07, 2023 6:35 am
Mathematics is an incorrect interpretation of a MESSAGE

Last post by Agent Smith « Mon Mar 06, 2023 9:23 am
Replies: 55
by roydop » Thu Dec 29, 2022 10:31 pm
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55 Replies

23148 Views

Last post by Agent Smith
Mon Mar 06, 2023 9:23 am
very simple god proof

Last post by socrat44 « Sat Mar 04, 2023 6:53 am
Replies: 19
by Magnolia5275 » Fri Dec 30, 2022 12:33 am
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19 Replies

10868 Views

Last post by socrat44
Sat Mar 04, 2023 6:53 am
The Meaning of the Number System ("quantity" is incorrect)

Last post by Skepdick « Wed Mar 01, 2023 1:25 pm
Replies: 54
by roydop » Mon Dec 05, 2022 2:45 pm
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54 Replies

24399 Views

Last post by Skepdick
Wed Mar 01, 2023 1:25 pm
Reconciliation of the debate as to whether math is discovered or invented

Last post by Skepdick « Mon Feb 27, 2023 12:27 pm
Replies: 15
by roydop » Thu Feb 23, 2023 8:13 pm
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15 Replies

10001 Views

Last post by Skepdick
Mon Feb 27, 2023 12:27 pm
Does this god proof work?

Last post by alan1000 « Fri Feb 24, 2023 1:04 pm
Replies: 24
by Magnolia5275 » Tue Dec 27, 2022 2:55 am
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24 Replies

12071 Views

Last post by alan1000
Fri Feb 24, 2023 1:04 pm
∀x in R, if x > 0 and x < 1 then x = 0.5

Last post by attofishpi « Fri Jan 20, 2023 11:20 am
Replies: 41
by Skepdick » Wed Jan 11, 2023 9:50 am
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41 Replies

17377 Views

Last post by attofishpi
Fri Jan 20, 2023 11:20 am
Can Heaven's people, being computers, be a written text, to different facial styles on Earth being a Heaven computer?

Last post by alan1000 « Tue Jan 03, 2023 5:22 pm
Replies: 3
by trokanmariel » Sat May 14, 2022 12:08 pm

3 Replies

2714 Views

Last post by alan1000
Tue Jan 03, 2023 5:22 pm
Mysticism vs. Mathematics

Last post by Skepdick « Tue Dec 20, 2022 1:22 pm
Replies: 17
by alan1000 » Fri Feb 11, 2022 2:36 pm
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17 Replies

5589 Views

Last post by Skepdick
Tue Dec 20, 2022 1:22 pm
PARADOX SOLVED

Last post by Iwannaplato « Sun Dec 04, 2022 10:45 am
Replies: 55
by roydop » Thu Nov 24, 2022 4:20 pm
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55 Replies

15379 Views

Last post by Iwannaplato
Sun Dec 04, 2022 10:45 am
Gambler's Fallacy Revisited

Last post by Age « Thu Dec 01, 2022 2:01 pm
Replies: 18
by alan1000 » Wed Oct 05, 2022 2:58 pm
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18 Replies

5307 Views

Last post by Age
Thu Dec 01, 2022 2:01 pm
(0=0)=(1=1)

Last post by Skepdick « Wed Nov 23, 2022 12:19 pm
Replies: 127
by Eodnhoj7 » Wed Mar 18, 2020 10:33 pm
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127 Replies

33680 Views

Last post by Skepdick
Wed Nov 23, 2022 12:19 pm
2+2=5

Last post by Skepdick « Fri Nov 11, 2022 1:42 pm
Replies: 73
by Eodnhoj7 » Thu Jun 18, 2020 9:55 pm
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73 Replies

20423 Views

Last post by Skepdick
Fri Nov 11, 2022 1:42 pm
TRUE = FALSE

Last post by popeye1945 « Fri Nov 11, 2022 10:11 am
Replies: 34
by Magnolia5275 » Thu Sep 01, 2022 11:26 am
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34 Replies

9476 Views

Last post by popeye1945
Fri Nov 11, 2022 10:11 am
The Law of Identity or the Law of Non-Contradiction?

Last post by Eodnhoj7 « Fri Nov 11, 2022 1:12 am
Replies: 2
by Eodnhoj7 » Thu May 12, 2022 6:50 pm

2 Replies

2574 Views

Last post by Eodnhoj7
Fri Nov 11, 2022 1:12 am
The Countable (Dedekind) Reals

Last post by wtf « Mon Nov 07, 2022 8:49 pm
Replies: 39
by Skepdick » Thu May 12, 2022 6:07 pm
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39 Replies

11897 Views

Last post by wtf
Mon Nov 07, 2022 8:49 pm

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