Logic and Philosophy of Mathematics

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Last post

The Gravity or "Stacked Brick" Fallacy

Last post by Impenitent « Fri Oct 04, 2019 12:38 am
Replies: 1
by Eodnhoj7 » Fri Oct 04, 2019 12:14 am

1 Replies

1170 Views

Last post by Impenitent
Fri Oct 04, 2019 12:38 am
Counting as a Fallacy

Last post by Impenitent « Thu Oct 03, 2019 10:23 pm
Replies: 1
by Eodnhoj7 » Thu Oct 03, 2019 9:14 pm

1 Replies

977 Views

Last post by Impenitent
Thu Oct 03, 2019 10:23 pm
Counting as grounded in Assumption of Void

Last post by Eodnhoj7 « Wed Sep 18, 2019 6:16 pm
Replies: 127
by Eodnhoj7 » Thu Aug 29, 2019 10:07 pm
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26228 Views

Last post by Eodnhoj7
Wed Sep 18, 2019 6:16 pm
1 as Dynamic and Irrational

Last post by Eodnhoj7 « Wed Sep 18, 2019 5:48 pm
Replies: 8
by Eodnhoj7 » Sat Sep 14, 2019 9:52 pm

8 Replies

2738 Views

Last post by Eodnhoj7
Wed Sep 18, 2019 5:48 pm
Second Proof 1=0

Last post by Skepdick « Thu Sep 12, 2019 9:07 pm
Replies: 18
by Eodnhoj7 » Tue Sep 03, 2019 2:12 am
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5282 Views

Last post by Skepdick
Thu Sep 12, 2019 9:07 pm
Correcting the definition of VALID inference

Last post by Skepdick « Tue Sep 10, 2019 7:08 am
Replies: 30
by PeteOlcott » Thu Sep 05, 2019 4:22 pm
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30 Replies

10036 Views

Last post by Skepdick
Tue Sep 10, 2019 7:08 am
Assumptive Logic

Last post by Eodnhoj7 « Mon Sep 09, 2019 9:15 pm
Replies: 134
by Eodnhoj7 » Mon Aug 26, 2019 3:22 am
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28385 Views

Last post by Eodnhoj7
Mon Sep 09, 2019 9:15 pm
A Logical System with No Contradictions or Fallacies

Last post by Eodnhoj7 « Fri Sep 06, 2019 9:44 pm
Replies: 3
by Eodnhoj7 » Fri Sep 06, 2019 12:29 am

3 Replies

1582 Views

Last post by Eodnhoj7
Fri Sep 06, 2019 9:44 pm
Assumption of Inherent Variability / Logic as Chaotic and Spontaneous

Last post by Eodnhoj7 « Thu Sep 05, 2019 9:25 pm

by Eodnhoj7 » Thu Sep 05, 2019 9:25 pm

0 Replies

1803 Views

Last post by Eodnhoj7
Thu Sep 05, 2019 9:25 pm
CALM: A new conception of consistency

Last post by Skepdick « Wed Sep 04, 2019 3:18 pm

by Skepdick » Wed Sep 04, 2019 3:18 pm

0 Replies

1812 Views

Last post by Skepdick
Wed Sep 04, 2019 3:18 pm
Does Deduction Necessitate Approximation and Vagueness?

Last post by Eodnhoj7 « Wed Sep 04, 2019 4:15 am
Replies: 5
by Eodnhoj7 » Thu Aug 29, 2019 9:46 pm

5 Replies

2080 Views

Last post by Eodnhoj7
Wed Sep 04, 2019 4:15 am
The Assumption of Inherent Void: ( • )

Last post by Eodnhoj7 « Sat Aug 31, 2019 6:06 pm
Replies: 6
by Eodnhoj7 » Wed Aug 28, 2019 6:49 pm

6 Replies

2000 Views

Last post by Eodnhoj7
Sat Aug 31, 2019 6:06 pm
Are Aristotelian Identity Laws the Premise for Equivocation?

Last post by Eodnhoj7 « Thu Aug 29, 2019 9:47 pm

by Eodnhoj7 » Thu Aug 29, 2019 9:47 pm

0 Replies

1790 Views

Last post by Eodnhoj7
Thu Aug 29, 2019 9:47 pm
Conceptual Truth can be understood as math

Last post by Skepdick « Wed Aug 28, 2019 10:59 pm
Replies: 334
by PeteOlcott » Mon Aug 12, 2019 6:36 pm
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334 Replies

85243 Views

Last post by Skepdick
Wed Aug 28, 2019 10:59 pm
The Principle of Explosion is the Non Sequitur Error

Last post by Eodnhoj7 « Wed Aug 28, 2019 1:31 am
Replies: 1
by PeteOlcott » Tue Aug 27, 2019 5:42 pm

1 Replies

1113 Views

Last post by Eodnhoj7
Wed Aug 28, 2019 1:31 am
Aristotelian Identity Properties Are Self Negating

Last post by Eodnhoj7 « Tue Aug 27, 2019 10:22 am

by Eodnhoj7 » Tue Aug 27, 2019 10:22 am

0 Replies

2409 Views

Last post by Eodnhoj7
Tue Aug 27, 2019 10:22 am
P Vs. NP Presented Solution

Last post by Eodnhoj7 « Sat Aug 24, 2019 9:38 pm
Replies: 2
by Eodnhoj7 » Wed Aug 21, 2019 6:58 pm

2 Replies

2116 Views

Last post by Eodnhoj7
Sat Aug 24, 2019 9:38 pm
Does anyone here actually understand formal proofs of mathematical logic?

Last post by Eodnhoj7 « Tue Aug 20, 2019 5:47 pm
Replies: 134
by PeteOlcott » Mon May 13, 2019 10:23 pm
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134 Replies

38226 Views

Last post by Eodnhoj7
Tue Aug 20, 2019 5:47 pm
1 = 0 = infinity

Last post by Eodnhoj7 « Sun Aug 18, 2019 2:35 am
Replies: 70
by Eodnhoj7 » Wed Aug 14, 2019 11:52 pm
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14085 Views

Last post by Eodnhoj7
Sun Aug 18, 2019 2:35 am
Tarski undefinability totally refuted by junior high school logic

Last post by Eodnhoj7 « Fri Aug 16, 2019 10:49 pm
Replies: 1
by PeteOlcott » Thu May 23, 2019 4:11 am

1 Replies

1082 Views

Last post by Eodnhoj7
Fri Aug 16, 2019 10:49 pm
How can this possibly fail to partition True(x) from Untrue(x) for every formal system?

Last post by Eodnhoj7 « Fri Aug 16, 2019 10:45 pm
Replies: 1
by PeteOlcott » Wed May 22, 2019 8:14 pm

1 Replies

1011 Views

Last post by Eodnhoj7
Fri Aug 16, 2019 10:45 pm
Refuting Gödel's 1931 Incompleteness Theorem in one sentence

Last post by Eodnhoj7 « Thu Aug 15, 2019 2:09 am
Replies: 121
by PeteOlcott » Thu May 16, 2019 3:30 pm
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121 Replies

24248 Views

Last post by Eodnhoj7
Thu Aug 15, 2019 2:09 am
Simplest possible notion of a formal system

Last post by Eodnhoj7 « Wed Aug 14, 2019 1:14 am
Replies: 69
by PeteOlcott » Fri Aug 09, 2019 6:36 pm
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69 Replies

15524 Views

Last post by Eodnhoj7
Wed Aug 14, 2019 1:14 am
Eliminating Undecidability and Incompleteness in Formal Systems

Last post by Eodnhoj7 « Tue Aug 06, 2019 11:58 pm
Replies: 71
by PeteOlcott » Mon Apr 15, 2019 9:00 pm
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71 Replies

17601 Views

Last post by Eodnhoj7
Tue Aug 06, 2019 11:58 pm
Let me convince you that none of you are Classical logicians!

Last post by Sculptor « Tue Aug 06, 2019 11:09 pm
Replies: 368
by Logik » Fri Feb 22, 2019 6:12 pm
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368 Replies

78721 Views

Last post by Sculptor
Tue Aug 06, 2019 11:09 pm
The Number System as a Model of The Process of Evolution

Last post by wtf « Thu Jul 11, 2019 12:22 am
Replies: 68
by roydop » Thu Feb 28, 2019 3:04 pm
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26716 Views

Last post by wtf
Thu Jul 11, 2019 12:22 am
Why Philosophers Should Care About Computational Complexity

Last post by Eodnhoj7 « Mon Jul 08, 2019 4:43 pm
Replies: 31
by Univalence » Wed Jun 05, 2019 6:40 am
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31 Replies

11110 Views

Last post by Eodnhoj7
Mon Jul 08, 2019 4:43 pm
Is this simplest version of the Liar Paradox: ∃LP (LP ↔ ⊢¬LP) refutable?

Last post by Eodnhoj7 « Fri Jun 07, 2019 6:38 pm
Replies: 5
by PeteOlcott » Mon May 27, 2019 4:48 pm

5 Replies

1743 Views

Last post by Eodnhoj7
Fri Jun 07, 2019 6:38 pm
Mathematics = Maya

Last post by PeteJ « Fri Jun 07, 2019 4:50 pm
Replies: 7
by roydop » Tue Mar 05, 2019 3:00 pm

7 Replies

2586 Views

Last post by PeteJ
Fri Jun 07, 2019 4:50 pm
Any science of logic?

Last post by RCSaunders « Fri May 31, 2019 7:01 pm
Replies: 105
by Speakpigeon » Sun May 12, 2019 6:10 pm
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45856 Views

Last post by RCSaunders
Fri May 31, 2019 7:01 pm
Can truth be understood as math?

Last post by Speakpigeon « Mon May 27, 2019 12:35 pm
Replies: 2
by PeteOlcott » Mon May 27, 2019 4:54 am

2 Replies

1328 Views

Last post by Speakpigeon
Mon May 27, 2019 12:35 pm
How do we say this using the notation conventions of mathematical logic?

Last post by Speakpigeon « Sun May 26, 2019 5:59 pm
Replies: 6
by PeteOlcott » Sat May 25, 2019 7:05 pm

6 Replies

2718 Views

Last post by Speakpigeon
Sun May 26, 2019 5:59 pm
A junior high school level of understanding of logic

Last post by Univalence « Sat May 25, 2019 4:43 pm
Replies: 31
by PeteOlcott » Wed May 22, 2019 4:28 pm
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31 Replies

8248 Views

Last post by Univalence
Sat May 25, 2019 4:43 pm
Possible consequences of falsifying the principle of explosion?

Last post by PeteOlcott « Sun May 12, 2019 12:19 am
Replies: 86
by Speakpigeon » Wed May 01, 2019 12:22 pm
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23021 Views

Last post by PeteOlcott
Sun May 12, 2019 12:19 am
Further demonstration the law of identity is broken (Sophists welcome)

Last post by Eodnhoj7 « Mon May 06, 2019 5:50 pm
Replies: 84
by Logik » Mon Mar 04, 2019 9:07 am
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84 Replies

23755 Views

Last post by Eodnhoj7
Mon May 06, 2019 5:50 pm
Converting formal proofs to conform to sound deduction

Last post by Speakpigeon « Sat May 04, 2019 9:47 pm
Replies: 30
by PeteOlcott » Tue Apr 30, 2019 4:03 pm
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30 Replies

20963 Views

Last post by Speakpigeon
Sat May 04, 2019 9:47 pm
Transforming formal proof into sound deduction (greatly simplified)

Last post by Speakpigeon « Wed May 01, 2019 5:21 pm
Replies: 59
by PeteOlcott » Mon Apr 22, 2019 6:47 am
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59 Replies

14405 Views

Last post by Speakpigeon
Wed May 01, 2019 5:21 pm
Eliminating Undecidability and Incompleteness in Formal Systems (As simple as possible)

Last post by Logik « Tue Apr 30, 2019 11:45 am
Replies: 33
by PeteOlcott » Fri Apr 26, 2019 2:53 pm
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33 Replies

7342 Views

Last post by Logik
Tue Apr 30, 2019 11:45 am
Transforming formal proof into sound deduction (rewritten)

Last post by Logik « Thu Apr 25, 2019 5:13 pm
Replies: 78
by PeteOlcott » Fri Apr 19, 2019 3:59 pm
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78 Replies

16969 Views

Last post by Logik
Thu Apr 25, 2019 5:13 pm
Gödel is really Wrong (totally rewritten)

Last post by PeteOlcott « Fri Apr 19, 2019 5:31 pm
Replies: 7
by PeteOlcott » Fri Apr 19, 2019 4:38 am

7 Replies

1786 Views

Last post by PeteOlcott
Fri Apr 19, 2019 5:31 pm
Justification of the mathematical definition of logical validity?

Last post by Speakpigeon « Fri Apr 19, 2019 1:36 pm
Replies: 6
by Speakpigeon » Thu Apr 18, 2019 11:31 am

6 Replies

2009 Views

Last post by Speakpigeon
Fri Apr 19, 2019 1:36 pm
Paradoxes of Material Implication

Last post by Logik « Wed Apr 17, 2019 11:52 pm
Replies: 62
by Garry G » Fri Apr 12, 2019 4:12 am
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15545 Views

Last post by Logik
Wed Apr 17, 2019 11:52 pm
If I can imagine it, it's logically possible?

Last post by Speakpigeon « Tue Apr 16, 2019 5:49 pm
Replies: 55
by Speakpigeon » Sat Mar 30, 2019 4:23 pm
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12353 Views

Last post by Speakpigeon
Tue Apr 16, 2019 5:49 pm
How paradoxical is this argument?

Last post by Speakpigeon « Tue Apr 16, 2019 4:55 pm
Replies: 4
by Garry G » Mon Apr 15, 2019 11:16 pm

4 Replies

1527 Views

Last post by Speakpigeon
Tue Apr 16, 2019 4:55 pm
Eliminating undecidability in formal systems

Last post by Logik « Tue Apr 16, 2019 7:31 am
Replies: 72
by PeteOlcott » Tue Apr 09, 2019 2:25 am
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72 Replies

13068 Views

Last post by Logik
Tue Apr 16, 2019 7:31 am
Prolog already refutes Tarski Undefinability

Last post by Logik « Tue Apr 16, 2019 6:08 am
Replies: 60
by PeteOlcott » Fri Apr 12, 2019 8:11 pm
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11066 Views

Last post by Logik
Tue Apr 16, 2019 6:08 am
Definition of logical validity

Last post by Garry G « Sat Apr 13, 2019 9:12 pm
Replies: 55
by Speakpigeon » Wed Jan 23, 2019 2:47 pm
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55 Replies

13808 Views

Last post by Garry G
Sat Apr 13, 2019 9:12 pm
Is there a sentence that proves itself is not provable?

Last post by Logik « Tue Apr 09, 2019 7:30 am
Replies: 100
by PeteOlcott » Mon Mar 25, 2019 4:51 pm
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22553 Views

Last post by Logik
Tue Apr 09, 2019 7:30 am
Origins of Mathematical/Logical questions of computability...

Last post by Speakpigeon « Sat Apr 06, 2019 5:59 pm
Replies: 1
by Scott Mayers » Thu Apr 04, 2019 5:49 am

1 Replies

918 Views

Last post by Speakpigeon
Sat Apr 06, 2019 5:59 pm
Refuting Incompleteness and Undefinability

Last post by PeteOlcott « Fri Apr 05, 2019 4:18 pm
Replies: 102
by PeteOlcott » Thu Mar 21, 2019 10:43 pm
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102 Replies

25843 Views

Last post by PeteOlcott
Fri Apr 05, 2019 4:18 pm

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