Logic and Philosophy of Mathematics

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What are the achievements of Logic?

Last post by Dapplegrim « Thu Apr 26, 2018 10:15 am
Replies: 97
by Dapplegrim » Mon Nov 27, 2017 12:31 pm
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97 Replies

2593 Views

Last post by Dapplegrim
Thu Apr 26, 2018 10:15 am
Why does math have applications to the real world?

Last post by Science Fan « Sat Apr 14, 2018 5:01 pm
Replies: 2
by Philosophy Explorer » Fri Apr 13, 2018 7:15 am

2 Replies

119 Views

Last post by Science Fan
Sat Apr 14, 2018 5:01 pm
Paradox?

Last post by wtf « Wed Apr 11, 2018 10:34 am
Replies: 100
by Philosophy Explorer » Sun Mar 25, 2018 3:38 am
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100 Replies

940 Views

Last post by wtf
Wed Apr 11, 2018 10:34 am
Lines and Numbers are Inseperable as Relativistic Unit-Particulate?

Last post by Eodnhoj7 « Tue Apr 10, 2018 4:25 pm
Replies: 3
by Eodnhoj7 » Thu Feb 22, 2018 12:54 am

3 Replies

121 Views

Last post by Eodnhoj7
Tue Apr 10, 2018 4:25 pm
How complete is algebra?

Last post by wtf « Sun Mar 25, 2018 4:11 am
Replies: 3
by Philosophy Explorer » Sat Mar 24, 2018 9:04 pm

3 Replies

161 Views

Last post by wtf
Sun Mar 25, 2018 4:11 am
About Nothing.

Last post by 1x0 « Sat Mar 24, 2018 8:24 pm
Replies: 15
by 1x0 » Fri Mar 23, 2018 5:59 pm
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15 Replies

433 Views

Last post by 1x0
Sat Mar 24, 2018 8:24 pm
The Shannon number

Last post by 1x0 « Sat Mar 24, 2018 7:30 pm
Replies: 14
by Walker » Thu Mar 22, 2018 4:23 am

14 Replies

374 Views

Last post by 1x0
Sat Mar 24, 2018 7:30 pm
All of math is connected

Last post by Philosophy Explorer « Fri Mar 23, 2018 11:14 pm
Replies: 9
by Philosophy Explorer » Thu Mar 22, 2018 7:18 pm

9 Replies

140 Views

Last post by Philosophy Explorer
Fri Mar 23, 2018 11:14 pm
How deep is math?

Last post by Philosophy Explorer « Fri Mar 16, 2018 3:44 am
Replies: 46
by Philosophy Explorer » Mon Nov 27, 2017 4:40 pm
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46 Replies

1514 Views

Last post by Philosophy Explorer
Fri Mar 16, 2018 3:44 am
How much freedom does math have?

Last post by Eodnhoj7 « Tue Mar 13, 2018 5:38 pm
Replies: 31
by Philosophy Explorer » Tue Nov 14, 2017 11:43 pm
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31 Replies

1158 Views

Last post by Eodnhoj7
Tue Mar 13, 2018 5:38 pm
Infinity has gotten stranger

Last post by Eodnhoj7 « Mon Mar 12, 2018 5:06 pm
Replies: 46
by Philosophy Explorer » Wed Apr 22, 2015 5:28 pm
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46 Replies

2273 Views

Last post by Eodnhoj7
Mon Mar 12, 2018 5:06 pm
Anyone Else Think About Three-Valued Logic?

Last post by Plato's Rock « Mon Mar 12, 2018 9:27 am
Replies: 26
by Plato's Rock » Tue Nov 21, 2017 3:50 am
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26 Replies

1079 Views

Last post by Plato's Rock
Mon Mar 12, 2018 9:27 am
Why is Fermat's Last Theorem so interesting?

Last post by alan1000 « Sun Mar 11, 2018 6:45 pm
Replies: 2
by Philosophy Explorer » Sat Mar 10, 2018 9:36 pm

2 Replies

95 Views

Last post by alan1000
Sun Mar 11, 2018 6:45 pm
Need help with assignment!!

Last post by Eodnhoj7 « Sat Feb 24, 2018 4:29 am
Replies: 6
by amber1331 » Mon Feb 12, 2018 8:16 pm

6 Replies

177 Views

Last post by Eodnhoj7
Sat Feb 24, 2018 4:29 am
Multi-Dimensional Reflective Arithmetic

Last post by Eodnhoj7 « Sat Jan 27, 2018 9:37 pm
Replies: 3
by Eodnhoj7 » Wed Dec 06, 2017 4:30 am

3 Replies

352 Views

Last post by Eodnhoj7
Sat Jan 27, 2018 9:37 pm
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

227 Views

Last post by Eodnhoj7
Fri Jan 26, 2018 10:14 pm
Algebraic Equation for Time?

Last post by Eodnhoj7 « Wed Jan 10, 2018 8:29 pm
Replies: 25
by Eodnhoj7 » Mon Jan 01, 2018 6:40 pm
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25 Replies

911 Views

Last post by Eodnhoj7
Wed Jan 10, 2018 8:29 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

525 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

1625 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

2233 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

1325 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

1168 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

1078 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

1262 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

193 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

575 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

1237 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

682 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

1552 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

437 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

1823 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

9691 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

212 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

2097 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

2091 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

967 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

379 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

879 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

1683 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

488 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

310 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

963 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

1525 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

306 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
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29 Replies

1968 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

562 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

2298 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

2760 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

1591 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

266 Views

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

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