Logic and Philosophy of Math

Is math derived from logic or is logic derived from math?

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Logic and Math Homework
Questions about specific logic and math issues. Important: You must attempt to solve the problem and show where you're lost. Do not simply post a problem without making an effort.
1,571 7,325 In Prove valid without using CP, AP, IP
By andrewk
Dec 16, 2014 - 4:54 PM
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Pinned: Very Basic Terms of Logic (1, 2, 3) 24 54692
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4.47/5 with 15 votes
Sep 25, 2009
6:42 AM
By dreamweaver
Nov 08, 2014
5:39 AM
By servantofallah
Pinned: Recommended Reading (1... 4, 5, 6) 51 16787
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3.91/5 with 11 votes
Apr 29, 2006
7:31 PM
By Timothy
Oct 02, 2013
1:00 AM
By StaticAge
Pinned: LaTeX guide (1, 2) 16 3918
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3.11/5 with 9 votes
Dec 09, 2005
2:43 PM
By AKG
Sep 28, 2013
12:15 PM
By Banno
"Just in case" vs. "If and only if" (1, 2) 15 189
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Nov 02, 2014
4:48 AM
By pico
Dec 16, 2014
7:03 AM
By pico
What Types of Statements are Logically Impossible? 9 142
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1/5 with 1 vote
Dec 12, 2014
4:39 AM
By Russells Teapot
Dec 16, 2014
2:05 AM
By Circadian
When aren't slippery slope arguments fallacious? 3 58
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Dec 14, 2014
5:15 PM
By frocs
Dec 15, 2014
10:03 AM
By palap
Decidability, Soundness, Completeness and Modus Ponens (1, 2) 18 229
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Oct 25, 2014
4:43 AM
By MarchHare
Dec 13, 2014
3:43 PM
By Johnathanrs
Tautological Possibility and Logical Possibility 3 59
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Dec 09, 2014
9:22 AM
By superchuck2
Dec 13, 2014
1:43 PM
By Johnathanrs
A new logic? – And what does layer logic mean? 8 170
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Nov 29, 2014
3:17 AM
By Trestone
Dec 11, 2014
6:14 AM
By taomath
Time in the foundations of mathematics 0 46
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Dec 10, 2014
7:08 AM
By spoirier
Dec 10, 2014
7:08 AM
By spoirier
The Point 7 120
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Dec 03, 2014
12:07 AM
By mrlockey
Dec 08, 2014
11:27 AM
By µ100fil
An incomplete sentence logic (1, 2, 3) 28 322
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Apr 01, 2014
3:41 PM
By altusi
Dec 06, 2014
4:56 PM
By logik2
How do we know what is logically possible? 9 170
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Nov 30, 2014
7:38 PM
By Nowthough
Dec 02, 2014
12:12 PM
By logik2
Is the border of a region part of the region? Do two objects that touch share space? 4 97
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Nov 23, 2014
4:13 AM
By Nowthough
Dec 02, 2014
2:22 AM
By Nowthough
Euclid's Axioms are Self-Explanatory 4 94
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Nov 20, 2014
6:26 PM
By jbmolineux
Dec 01, 2014
3:13 AM
By Alan Masterman
□(p→q) → (□p→□q) (1, 2, 3) 22 398
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Nov 04, 2014
2:36 PM
By logik2
Nov 30, 2014
12:52 AM
By mric
Quine and Synonymy 2 72
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Nov 23, 2014
9:11 PM
By logik2
Nov 28, 2014
4:31 PM
By logik2
Moved: Does the existence of lines imply the size of the universe is infinite?
Now in Introduction to Philosophy / Factual Issues / Books
more PNP 1 68
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Mar 23, 2014
10:07 PM
By potatohead
Nov 26, 2014
6:50 PM
By potatohead
What, ontologically, is an 'external product' of Grassmannian algebra? 3 87
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Nov 21, 2014
4:33 AM
By taomath
Nov 25, 2014
11:43 PM
By taomath
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