Logic and Philosophy of Mathematics

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Equation for Converting Numbers into Geometric Solids

Last post by Eodnhoj7 « Fri Jan 26, 2018 10:14 pm

by Eodnhoj7 » Fri Jan 26, 2018 10:14 pm

0 Replies

1253 Views

Last post by Eodnhoj7
Fri Jan 26, 2018 10:14 pm
1 + 1 = 1

Last post by Eodnhoj7 « Thu Dec 28, 2017 8:17 pm
Replies: 12
by RustyBert » Wed Dec 13, 2017 7:30 pm

12 Replies

6824 Views

Last post by Eodnhoj7
Thu Dec 28, 2017 8:17 pm
Thomson's Lamp Solution

Last post by Eodnhoj7 « Wed Dec 06, 2017 3:56 am
Replies: 48
by Eodnhoj7 » Tue Nov 21, 2017 1:59 pm
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48 Replies

20249 Views

Last post by Eodnhoj7
Wed Dec 06, 2017 3:56 am
Cyclic numbers

Last post by Eodnhoj7 « Sat Dec 02, 2017 12:40 am
Replies: 34
by Philosophy Explorer » Sun Feb 22, 2015 5:19 am
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34 Replies

32294 Views

Last post by Eodnhoj7
Sat Dec 02, 2017 12:40 am
Measurement: a math mystery

Last post by Eodnhoj7 « Fri Dec 01, 2017 4:18 pm
Replies: 12
by Philosophy Explorer » Sun Mar 08, 2015 1:19 am

12 Replies

5650 Views

Last post by Eodnhoj7
Fri Dec 01, 2017 4:18 pm
Does One equal infinity? 7 step argument.

Last post by Eodnhoj7 « Thu Nov 30, 2017 1:29 am
Replies: 19
by Eodnhoj7 » Thu Oct 19, 2017 5:22 pm
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19 Replies

8307 Views

Last post by Eodnhoj7
Thu Nov 30, 2017 1:29 am
Math consistency

Last post by Eodnhoj7 « Sat Nov 18, 2017 8:25 pm
Replies: 5
by Philosophy Explorer » Fri Mar 13, 2015 9:30 am

5 Replies

2895 Views

Last post by Eodnhoj7
Sat Nov 18, 2017 8:25 pm
Area of circle is wrong!

Last post by Eodnhoj7 « Sat Nov 18, 2017 8:11 pm
Replies: 7
by mathenthusiast » Sat Feb 21, 2015 2:04 am

7 Replies

3585 Views

Last post by Eodnhoj7
Sat Nov 18, 2017 8:11 pm
Do number groups have more meaning than individual numbers?

Last post by Averroes « Wed Nov 15, 2017 5:10 pm
Replies: 1
by Philosophy Explorer » Mon Nov 13, 2017 10:49 pm

1 Replies

1302 Views

Last post by Averroes
Wed Nov 15, 2017 5:10 pm
Challenging Truth Tree problem

Last post by Averroes « Wed Nov 15, 2017 4:55 pm
Replies: 1
by airrudra@gmail.com » Thu Oct 08, 2015 11:23 pm

1 Replies

1580 Views

Last post by Averroes
Wed Nov 15, 2017 4:55 pm
Why Zeno d'Elee mistook the humanity for 2500 years.

Last post by Eodnhoj7 « Mon Nov 13, 2017 12:43 pm
Replies: 8
by NielsBohr » Wed Sep 07, 2016 4:37 pm

8 Replies

4606 Views

Last post by Eodnhoj7
Mon Nov 13, 2017 12:43 pm
Dividing Infinity

Last post by Eodnhoj7 « Mon Nov 06, 2017 10:25 pm
Replies: 10
by EchoesOfTheHorizon » Sat Oct 28, 2017 1:15 am

10 Replies

3799 Views

Last post by Eodnhoj7
Mon Nov 06, 2017 10:25 pm
predication and genus

Last post by Belinda « Sat Oct 28, 2017 7:02 pm
Replies: 29
by ficino » Thu Oct 12, 2017 3:24 pm
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29 Replies

13871 Views

Last post by Belinda
Sat Oct 28, 2017 7:02 pm
Why is 1 not classified as being a prime number ?

Last post by Greta « Fri Oct 20, 2017 12:46 am
Replies: 7
by NielsBohr » Tue Oct 17, 2017 11:56 am

7 Replies

4169 Views

Last post by Greta
Fri Oct 20, 2017 12:46 am
What is the real meaning of natural numbers?

Last post by Eodnhoj7 « Thu Oct 19, 2017 5:40 pm
Replies: 25
by Philosophy Explorer » Sun Jun 11, 2017 5:42 am
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25 Replies

9567 Views

Last post by Eodnhoj7
Thu Oct 19, 2017 5:40 pm
Is 0.9999... really the same as 1?

Last post by Eodnhoj7 « Mon Oct 16, 2017 1:48 pm
Replies: 117
by marsh8472 » Fri Mar 03, 2017 6:24 am
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117 Replies

68008 Views

Last post by Eodnhoj7
Mon Oct 16, 2017 1:48 pm
Is Math Equivalent to the Curvature of Space?

Last post by Eodnhoj7 « Mon Oct 16, 2017 1:37 pm

by Eodnhoj7 » Mon Oct 16, 2017 1:37 pm

0 Replies

1109 Views

Last post by Eodnhoj7
Mon Oct 16, 2017 1:37 pm
Did I discover “Angelo Cannata’s paradox”?

Last post by Angelo Cannata « Sat Sep 30, 2017 3:25 pm
Replies: 28
by Angelo Cannata » Thu Sep 14, 2017 11:36 am
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28 Replies

13622 Views

Last post by Angelo Cannata
Sat Sep 30, 2017 3:25 pm
Foundations of Mathematics.

Last post by Eodnhoj7 « Fri Sep 22, 2017 11:43 pm
Replies: 21
by A_Seagull » Fri Mar 25, 2016 3:14 am
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21 Replies

9148 Views

Last post by Eodnhoj7
Fri Sep 22, 2017 11:43 pm
If...Then as element of a superset

Last post by ProfAlexHartdegen « Mon Sep 11, 2017 10:40 pm
Replies: 8
by ProfAlexHartdegen » Wed Aug 30, 2017 2:11 pm

8 Replies

4467 Views

Last post by ProfAlexHartdegen
Mon Sep 11, 2017 10:40 pm
need help understanding when a Proof is a Proof

Last post by ProfAlexHartdegen « Wed Aug 30, 2017 2:01 pm
Replies: 3
by ProfAlexHartdegen » Tue Aug 29, 2017 3:43 am

3 Replies

1686 Views

Last post by ProfAlexHartdegen
Wed Aug 30, 2017 2:01 pm
need clearer explanation of mathematical induction.

Last post by Averroes « Wed Aug 23, 2017 7:51 am
Replies: 11
by ProfAlexHartdegen » Sat Aug 19, 2017 5:05 am

11 Replies

5324 Views

Last post by Averroes
Wed Aug 23, 2017 7:51 am
help understanding Negation Introduction

Last post by ProfAlexHartdegen « Sun Aug 13, 2017 8:02 pm
Replies: 17
by ProfAlexHartdegen » Thu Aug 10, 2017 10:59 pm
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17 Replies

8332 Views

Last post by ProfAlexHartdegen
Sun Aug 13, 2017 8:02 pm
need help understanding truth functional entailment

Last post by ProfAlexHartdegen « Thu Aug 10, 2017 10:27 pm
Replies: 2
by ProfAlexHartdegen » Mon Jul 31, 2017 5:48 pm

2 Replies

2856 Views

Last post by ProfAlexHartdegen
Thu Aug 10, 2017 10:27 pm
What 3.5 dimensions means to me

Last post by wtf « Mon Aug 07, 2017 4:34 am
Replies: 1
by Philosophy Explorer » Sat Aug 05, 2017 11:18 am

1 Replies

1341 Views

Last post by wtf
Mon Aug 07, 2017 4:34 am
Predicate logic

Last post by Wyman « Thu Jul 27, 2017 10:57 pm
Replies: 9
by Wyman » Mon Jul 24, 2017 2:25 am

9 Replies

5318 Views

Last post by Wyman
Thu Jul 27, 2017 10:57 pm
How to construct a formal proof?

Last post by Impenitent « Thu Jul 27, 2017 5:22 pm
Replies: 10
by sadiadia » Mon May 02, 2016 3:39 pm

10 Replies

6945 Views

Last post by Impenitent
Thu Jul 27, 2017 5:22 pm
Magic square puzzle

Last post by Philosophy Explorer « Wed Jul 26, 2017 5:54 am
Replies: 2
by Philosophy Explorer » Tue Jul 25, 2017 7:31 am

2 Replies

1366 Views

Last post by Philosophy Explorer
Wed Jul 26, 2017 5:54 am
Patterns upon patterns

Last post by Averroes « Thu Jul 20, 2017 9:35 pm
Replies: 29
by Philosophy Explorer » Thu Jul 13, 2017 3:23 am
1

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29 Replies

11943 Views

Last post by Averroes
Thu Jul 20, 2017 9:35 pm
Rings

Last post by wtf « Thu Jul 20, 2017 5:28 am
Replies: 6
by Philosophy Explorer » Wed Jul 19, 2017 3:57 pm

6 Replies

3199 Views

Last post by wtf
Thu Jul 20, 2017 5:28 am
Syllogism problem

Last post by Londoner « Wed Jun 28, 2017 1:13 pm
Replies: 17
by Jantje7600 » Fri May 13, 2016 6:37 pm
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17 Replies

7514 Views

Last post by Londoner
Wed Jun 28, 2017 1:13 pm
petitio principii or begging the question

Last post by Skip « Mon Jun 19, 2017 9:29 pm
Replies: 26
by duszek » Wed Jun 07, 2017 5:44 pm
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26 Replies

15889 Views

Last post by Skip
Mon Jun 19, 2017 9:29 pm
text suggestions

Last post by osgart « Wed Jun 07, 2017 3:24 am
Replies: 12
by holden » Tue May 23, 2017 10:30 am

12 Replies

7011 Views

Last post by osgart
Wed Jun 07, 2017 3:24 am
Logic translation

Last post by void « Tue Jun 06, 2017 4:59 pm

by void » Tue Jun 06, 2017 4:59 pm

0 Replies

1170 Views

Last post by void
Tue Jun 06, 2017 4:59 pm
The True Riemann Triangle - 630 degrees, not 270 deg

Last post by wtf « Tue May 02, 2017 7:37 pm
Replies: 3
by Necromancer » Mon May 01, 2017 10:55 pm

3 Replies

2269 Views

Last post by wtf
Tue May 02, 2017 7:37 pm
Suggestion for a new Modality "S5m"

Last post by Necromancer « Fri Apr 14, 2017 2:04 am

by Necromancer » Fri Apr 14, 2017 2:04 am

0 Replies

1686 Views

Last post by Necromancer
Fri Apr 14, 2017 2:04 am
Understanding soundness/completeness as "validity classification"?

Last post by wtf « Sat Apr 08, 2017 1:00 am
Replies: 2
by brendan.hill » Thu Mar 09, 2017 5:33 am

2 Replies

2071 Views

Last post by wtf
Sat Apr 08, 2017 1:00 am
Factorial pattern

Last post by thedoc « Thu Apr 06, 2017 11:25 pm
Replies: 13
by Philosophy Explorer » Wed Apr 05, 2017 3:08 pm

13 Replies

6298 Views

Last post by thedoc
Thu Apr 06, 2017 11:25 pm
question

Last post by thedoc « Mon Apr 03, 2017 4:23 am
Replies: 39
by thedoc » Fri Mar 31, 2017 6:18 pm
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39 Replies

11766 Views

Last post by thedoc
Mon Apr 03, 2017 4:23 am
Does the center of a disk exist?

Last post by Justintruth « Sat Jan 14, 2017 3:39 pm
Replies: 22
by Philosophy Explorer » Mon Sep 07, 2015 10:16 pm
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22 Replies

8774 Views

Last post by Justintruth
Sat Jan 14, 2017 3:39 pm
Simple if all As are Bs question..

Last post by vegetariantaxidermy « Tue Dec 20, 2016 8:43 am
Replies: 9
by mrfatman » Sun Dec 18, 2016 12:06 am

9 Replies

11033 Views

Last post by vegetariantaxidermy
Tue Dec 20, 2016 8:43 am
Game Theory

Last post by Justintruth « Thu Nov 24, 2016 1:24 am
Replies: 33
by duszek » Wed May 11, 2016 1:07 pm
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33 Replies

11671 Views

Last post by Justintruth
Thu Nov 24, 2016 1:24 am
Logical Proofs, Need help desperately!

Last post by Arising_uk « Sun Nov 13, 2016 3:41 pm
Replies: 6
by CollinOG » Wed Nov 09, 2016 5:46 pm

6 Replies

2644 Views

Last post by Arising_uk
Sun Nov 13, 2016 3:41 pm
What is the most uninteresting number?

Last post by Philosophy Explorer « Sat Nov 05, 2016 11:31 am
Replies: 53
by Philosophy Explorer » Fri Nov 27, 2015 11:54 pm
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53 Replies

15186 Views

Last post by Philosophy Explorer
Sat Nov 05, 2016 11:31 am
Do numbers need to be compared with one another to understand them better?

Last post by osgart « Sat Oct 22, 2016 12:23 am
Replies: 4
by Philosophy Explorer » Sun Feb 21, 2016 11:11 pm

4 Replies

2123 Views

Last post by osgart
Sat Oct 22, 2016 12:23 am
Was math invented or discovered?

Last post by Scott Mayers « Fri Oct 21, 2016 8:54 pm
Replies: 77
by Philosophy Explorer » Tue Dec 15, 2015 9:31 am
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77 Replies

23173 Views

Last post by Scott Mayers
Fri Oct 21, 2016 8:54 pm
To understand maths

Last post by osgart « Wed Oct 19, 2016 3:22 am
Replies: 41
by Ed Dirac » Wed Jul 06, 2016 6:14 pm
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41 Replies

12184 Views

Last post by osgart
Wed Oct 19, 2016 3:22 am
What are the achievements of logic?

Last post by osgart « Wed Oct 19, 2016 1:31 am
Replies: 38
by A_Seagull » Sun Oct 09, 2016 10:09 pm
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38 Replies

10960 Views

Last post by osgart
Wed Oct 19, 2016 1:31 am
Statements are true or false?

Last post by osgart « Wed Oct 19, 2016 12:09 am
Replies: 33
by A_Seagull » Thu Sep 22, 2016 6:05 am
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33 Replies

11760 Views

Last post by osgart
Wed Oct 19, 2016 12:09 am
The easiest hard problem (partition)

Last post by duszek « Mon May 16, 2016 8:25 pm
Replies: 5
by duszek » Mon May 16, 2016 3:58 pm

5 Replies

2219 Views

Last post by duszek
Mon May 16, 2016 8:25 pm

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