Logic and Philosophy of Math
Is math derived from logic or is logic derived from math?
Forum  Topics  Posts  Latest Post 

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. 
1,815  8,268 
In Proving disjunctive syllogism using introduction a...
By Barton SmithJohnson Mar 10, 2017  1:29 PM ► 
Show unanswered topics / topics with 10+ replies / all topics 
Topic Title  Replies  Views  Rating  Created  Last Post  

•  Predicting the Present (1, 2)  11  146  Mar 23, 2016 2:09 AM By Ex 
Mar 28, 2016 12:00 PM By Villon ► 

•  Is zero the greatest advance in math?  5  114  Mar 27, 2016 2:07 PM By PhilX 
Mar 28, 2016 11:57 AM By StreetlightX ► 

•  How many hidden properties do numbers have? (1, 2, 3)  20  142  Mar 28, 2016 4:29 AM By PhilX 
Mar 28, 2016 11:14 AM By ragus ► 

•  Concentrating a Mobius Twist  4  110  Mar 26, 2016 12:18 PM By YaleLandsberg 
Mar 27, 2016 4:19 PM By YaleLandsberg ► 

•  Questioning the unquestionable: Sets as most fundamental? (1, 2)  16  358  Mar 09, 2016 8:34 AM By taomath 
Mar 25, 2016 2:40 PM By MoeBlee ► 

•  Self referential sentences (1... 6, 7, 8)  77  671  Mar 03, 2016 2:22 AM By Exit 
Mar 24, 2016 7:37 PM By ThamiorTheThinker ► 

•  Is 'it is not the case that all reptiles are mammals' an oxymoron (1, 2, 3, 4)  33  338  Mar 10, 2016 3:12 AM By logik2 
Mar 24, 2016 4:06 PM By Dantesco ► 

•  Kurt Godell, Incompleteness Theorem? (1, 2)  11  336  Jan 25, 2016 8:08 AM By wg335910 
Mar 20, 2016 2:36 PM By Timothy ► 

•  Logical Pluralism  Why or Why Not? (1, 2)  16  262  Feb 20, 2016 9:06 PM By MindForgedManacle 
Mar 19, 2016 5:36 AM By Dantesco ► 

•  The Rise and Fall of Symbolic Logic (1, 2)  11  197  Mar 10, 2016 11:50 AM By Exit 
Mar 19, 2016 3:39 AM By Dantesco ► 

•  How is infinity defined, formally? (1... 7, 8, 9)  83  737  Feb 14, 2016 6:14 PM By ohk 
Mar 17, 2016 11:57 PM By MoeBlee ► 

•  ideographic representation of logic  0  54  Mar 10, 2016 1:29 PM By steve hudson 
Mar 10, 2016 1:29 PM By steve hudson ► 

•  What makes numbers to be different among each other? (1, 2, 3, 4)  32  554  Jan 25, 2016 3:28 PM By Yoncet 
Mar 10, 2016 11:03 AM By taomath ► 

•  Surreal Numbers' Omega  6  193  Feb 24, 2016 7:48 PM By YaleLandsberg 
Feb 26, 2016 10:46 AM By YaleLandsberg ► 

•  FregeLukasiewicz axioms and proofs  4  120  Feb 21, 2016 7:44 PM By Socialscientist 
Feb 23, 2016 3:02 AM By andrewk ► 

•  Negations in propositional calculus  4  125  Feb 21, 2016 3:30 PM By aktink 
Feb 23, 2016 1:48 AM By moses88 ► 

•  L.E.J. Brouwer  First Act of Intuitionism (1, 2)  13  176  Feb 20, 2016 11:30 AM By Adorno S. Thompson 
Feb 22, 2016 6:32 AM By Hogrider ► 

•  Negative Expressions in SecondOrder Logic  7  152  Feb 16, 2016 10:55 PM By moses88 
Feb 20, 2016 7:51 AM By moses88 ► 

•  Interpreting Mares' "impossible worlds" extension of Lewis' logic of counterfactuals  0  71  Feb 17, 2016 12:45 AM By Schwarzwald 
Feb 17, 2016 12:45 AM By Schwarzwald ► 

•  Alternate math metaphor for the real positive numbers  9  214  Jan 19, 2016 8:27 PM By YaleLandsberg 
Feb 16, 2016 6:01 PM By sonOfFishfry ► 
Actions 