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Forum: Discrete Mathematics, Set Theory, and Logic

Discrete Math, Graph Theory, Combinatorics, Recurrence Relations (Difference Equations), Set Theory, General and Symbolic Logic

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Difference equation tutorial: draft of part II

    Started by chisigma, April 15th, 2012 12:32
    • Replies: 2
    • Views: 3,389
    March 2nd, 2013, 05:47 Go to last post
  3. Sticky Thread Difference equation tutorial: draft of part I

    Started by chisigma, March 2nd, 2012 12:37
    • Replies: 3
    • Views: 3,670
    March 6th, 2012, 03:02 Go to last post
  4. Sticky Thread Please Read Before Posting Logic Questions

    Started by Ackbach, January 27th, 2012 23:00
    • Replies: 0
    • Views: 1,824
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. find the intersection value of 3 subsets

    Started by schinb65, January 1st, 2013 22:44
    • Replies: 3
    • Views: 2,113
    January 3rd, 2013, 17:30 Go to last post
  3. formalization

    Started by solakis, December 22nd, 2012 21:32
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,455
    January 1st, 2013, 22:06 Go to last post
  4. proof checking 2

    Started by solakis, December 19th, 2012 14:09
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,916
    December 21st, 2012, 14:49 Go to last post
  5. proof in predicate calculus 2

    Started by solakis, December 17th, 2012 22:40
    • Replies: 6
    • Views: 770
    December 19th, 2012, 20:12 Go to last post
  6. proof in predicate calculus

    Started by solakis, December 12th, 2012 14:10
    • Replies: 8
    • Views: 958
    December 15th, 2012, 00:30 Go to last post
  7. proof checking

    Started by solakis, December 9th, 2012 08:36
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,636
    December 12th, 2012, 20:36 Go to last post
  8. Mathematical Induction problem

    Started by eric34, December 9th, 2012 12:00
    • Replies: 2
    • Views: 726
    December 9th, 2012, 15:48 Go to last post
  9. Combinatorics book recommendation.

    Started by caffeinemachine, November 24th, 2012 07:41
    • Replies: 2
    • Views: 1,058
    November 24th, 2012, 10:10 Go to last post
  10. Array of numbers. Olympiad problem.

    Started by caffeinemachine, November 23rd, 2012 08:07
    • Replies: 0
    • Views: 621
    November 23rd, 2012, 08:07 Go to last post
  11. Expected value of minimum Hamming distance

    Started by billobillo, November 22nd, 2012 14:18
    • Replies: 0
    • Views: 1,515
    November 22nd, 2012, 14:18 Go to last post
  12. Another logic exercise.

    Started by Casual, November 7th, 2012 16:35
    • Replies: 5
    • Views: 1,206
    November 15th, 2012, 15:59 Go to last post
  13. Logic puzzle: students, cities, subjects and grades.

    Started by Casual, November 10th, 2012 07:20
    • Replies: 0
    • Views: 867
    November 10th, 2012, 07:20 Go to last post
  14. Problem on Graph Theory and Algorithms

    Started by iany00, November 4th, 2012 18:33
    graph algorithms
    • Replies: 1
    • Views: 767
    November 9th, 2012, 07:12 Go to last post
  15. Rank of word

    Started by jacks, October 19th, 2012 16:18
    • Replies: 1
    • Views: 555
    November 9th, 2012, 04:24 Go to last post
  16. Logic exercise.

    Started by Casual, November 7th, 2012 09:52
    logic, proof, puzzle
    • Replies: 4
    • Views: 993
    November 7th, 2012, 17:26 Go to last post
  17. Permutation Question

    Started by Bushy, November 6th, 2012 16:55
    • Replies: 2
    • Views: 1,202
    November 6th, 2012, 17:17 Go to last post
    • Replies: 2
    • Views: 2,063
    November 3rd, 2012, 06:52 Go to last post
  18. Help with a Mathematical Induction Problem

    Started by Walshy, October 30th, 2012 16:00
    • Replies: 1
    • Views: 1,747
    October 30th, 2012, 19:15 Go to last post
  19. Transitive sets.

    Started by Also sprach Zarathustra, October 27th, 2012 16:21
    • Replies: 2
    • Views: 1,200
    October 29th, 2012, 16:35 Go to last post
  20. [SOLVED] The cumulative hierarchy and the real numbers

    Started by hmmm16, October 14th, 2012 12:05
    • Replies: 1
    • Views: 1,150
    October 14th, 2012, 19:24 Go to last post
  21. Floor and Ceiling Proofs

    Started by Walshy, October 9th, 2012 22:44
    • Replies: 5
    • Views: 3,348
    October 10th, 2012, 07:05 Go to last post
  22. binary long division

    Started by find_the_fun, October 1st, 2012 02:55
    • Replies: 3
    • Views: 1,885
    October 3rd, 2012, 21:32 Go to last post
  23. A question on consistency in propositional logic.

    Started by Mathelogician, October 3rd, 2012 02:51
    • Replies: 3
    • Views: 893
    October 3rd, 2012, 10:07 Go to last post
  24. Book Recommendation for Nearest Neighbor Graphs

    Started by Bingk, September 13th, 2012 14:34
    • Replies: 1
    • Views: 689
    September 25th, 2012, 03:21 Go to last post
  25. Two interesting problems...

    Started by chisigma, September 21st, 2012 03:08
    • Replies: 1
    • Views: 839
    September 21st, 2012, 04:57 Go to last post
  26. Natural numbers form a poset under $ \le$

    Started by QuestForInsight, September 17th, 2012 01:14
    partially ordered set, poset
    • Replies: 5
    • Views: 1,170
    September 19th, 2012, 03:45 Go to last post
  27. [SOLVED] countable and uncountable

    Started by dwsmith, September 7th, 2012 19:24
    • Replies: 2
    • Views: 939
    September 8th, 2012, 15:23 Go to last post
  28. [SOLVED] (A - B)\cup B = A

    Started by dwsmith, September 7th, 2012 19:57
    • Replies: 1
    • Views: 417
    September 7th, 2012, 21:17 Go to last post
  29. [SOLVED] B-C

    Started by dwsmith, September 7th, 2012 15:44
    • Replies: 2
    • Views: 361
    September 7th, 2012, 18:06 Go to last post

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Top 231 Thread Starters For "Discrete Mathematics, Set Theory, and Logic"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1evinda22.3184All boolean functions are comp...
2mathmari7.562Statements about the preimages
3solakis3.529predicate calculus
4Yankel1.916Combinatorics - The pigeonhole...
4Peter1.916Nonreflexive Relation ...
4Joystar19771.916Please help me with this quest...
5yakin1.714Drawing and finding the value ...
6find_the_fun1.613How to derive a recurrence rel...
7shamieh1.512Finding Time Complexities...
7KOO1.512Prove that if p and q are posi...
8jacks1.311Number of quadrilatera in poly...
9Alexmahone1.210In how many ways can a cube wi...
10Mathelogician1.19Question on 'Henkin theory'
10Andrei1.19substructures of the n-clique
10Aryth1.19k-extendable Problem
11caffeinemachine1.08A Rectangle Covered by 25 Disc...
11skatenerd1.08standard logical statements, n...
11tmt1.08Permutations or Combination?
12Yuuki0.87Using isomorphism and permutat...
12barbara0.87An Algorithm
12JProgrammer0.87Pigeon Hole Theory
13issacnewton0.76check if relation is equivalen...
13andrew0.76Binary Relations
14hossam killua0.65math logic
15Bingk0.54Terminology on graph theory
15dwsmith0.54(A - B)\cup B = A
15chisigma0.54Two interesting problems...
15ZaidAlyafey0.54solve f(n) = 2f (sqrt(n))+n
15sadsadsadsa0.54Adjacency Matrix Problem and A...
15WannaBe0.54Venn Diagram
15Pranav0.54Recurrence relation problem
15Kristen0.54Digraph of a Binary Positional...
15JaAnTr0.54Help understanding a puzzle.
15IHateFactorial0.54Recurrence relation
15Puzzles0.54Two graph theory problems
15johnny0090.54Prime Or Composite - Proof re...
16Punch0.43No. of ways to seat round a ta...
16anemone0.43Find a_{100000}
16ATroelstein0.43Proving the solution of a recu...
16QuestForInsight0.43Natural numbers form a poset u...
16Casual0.43Logic puzzle: students, cities...
16Barioth0.43Logic, proving theorem in form...
16Petrus0.43Combinatorics Word Problem
16ssome help0.43Whole number solutions
16mathworker0.43a tough combinatorics problem
16Ragnarok0.43How to remember set theory pro...
16cocoabeens0.43Formal contrapositive proof
16dana0.43identity function
16Csharp0.43Cardinality, Subsets, Sequence...
16sarrah0.43on induction as you kindly req...
16rayne0.43Negation of this statement?
16Mathick0.43Proof of sets
16Ciaran0.43Surjective functions from a se...
16ozkan120.43infinite set
16Natalie0.43Is this transitive closure cor...
16Plonker0.43Sets, Relations and Functions
17Ackbach0.22Question in Landau's Foundatio...
17conscipost0.22Bounds on size of subset of ad...
17rcs0.22infinite elements in the unive...
17Poirot0.22Proof by contradiction
17Swlabr0.22Coprime mod n implies coprime...
17bincybn0.22Sum of a discrete finite seque...
17Walshy0.22Help with a Mathematical Induc...
17Arnold0.22Graph two colours, no monochro...
17Valtham0.22Creating Symbolic Versions
17wittysoup0.22Combinatorics question involvi...
17fumbles0.22Formal Logic Proof
17mathmaniac0.22How many combinations of natur...
17paulmdrdo0.22Inclusion-Exclusion property
17sbrajagopal26900.22Proof of Inequality by Inducti...
17Rido120.22Cartesian Product
17repoman0.22Discrete Math Graph Theory
17katye3330.22Help with an Equivalence Relat...
17MI50.22Counting proof of the addition...
17annie0.22Converse,the contrapositive an...
17Fermat0.22Knaster Tarski proof
17magneto0.22Pigeonhole Principle?
17abdolah0.22Chromatic number of a graph em...
17c4nn3t0.22Simplification of logic
17mathgirl0.22chordal graphs and perfect eli...
17kp1005910.22well formed formulae in Predic...
17normaldistribut0.22Diagraph of the relation
17Olok0.22Find the number of arrangement...
17Romono0.22How do you disprove this?
17Line0.22Unbounded logical trees (2)
17Henry R0.22How to give a proof of tautolo...
17vincentvance0.22Finding particular solution to...
17HELPMEHELPME0.22Number Systems
17stanyeo19840.22Recurrence Relation
17stan19920.22Prove that the expression is a...
17narledge0.22Proving Theorem help
17student0.22Tournament Scheduling
17Phar2wild0.22Is Cantor's second diagonal pr...
17Ella0.22A problem in set theory
17fatineouahbi0.22Composite applications
17bunyonb0.22[Series] State the first four ...
18Chris L T5210.11Why should we study logic?
18Jameson0.11Prove sum of (-1)^i times n ch...
18Bacterius0.11Showing the nth prime is primi...
18bkarpuz0.11Orthogonality of stirling numb...
18grgrsanjay0.11Garland trouble
18Chinta0.11Problem on Graph Theory and Al...
18janvdl0.11Recognisable colourings of gra...
18Also sprach Zarathustra0.11Transitive sets.
18DanSlevin0.11Solving Recurrence Equation
18William0.11Mathematical Induction questio...
18VincentP0.11Sum with Binomial Coefficients
18Lolyta0.11Diophantine equation second gr...
18marobin0.11Confusion with variables when ...
18hmmm160.11The cumulative hierarchy and t...
18noof0.11Question in Function
18simwun0.11Basic Set theory help
18cept0.11Vertices of Attachment Questio...
18veronica19990.11finding the unit digit
18Reckoner0.11Induction Proof of Inequality ...
18matqkks0.11Mathematical Induction
18Bushy0.11Permutation Question
18kanderson0.11Book Recommendations for Proof...
18Alan0.11Something in Measure Theory
18VoNemo190.11If S has the same number of el...
18topsquark0.11Induction Proof
18iany000.11Problem on Graph Theory and Al...
18billobillo0.11Expected value of minimum Hamm...
18eric340.11Mathematical Induction problem
18RWood0.11Unbounded subset of ordinals a...
18schinb650.11find the intersection value of...
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18MikeLandry0.11Set Theory Proofs
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18Epaulaland0.11Random graphs are a fascinatin...
18logan30.11Proving a Set Theory Statement...
18tragito890.11Simplest Proof of Satisfiabili...
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18RaTawer0.11Look for help with combination...
18Moodion0.11Direct Proof of an Inequality
18yarnlife0.11Mathematical Thinking - Matric...
18Matti0.11Seeking general solution for G...
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18malloryjohn0.11creating theorems for an axiom...
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18FallArk0.11Set theory problem
18Hummingbird0.11Dividing students into groups,...
18mathewslauren0.11Logic: Reductio Ad Absurdem As...
18lize0.11Conditional proof for multiple...
18MupptMath0.11Proving the symmetry of self c...
18Theia0.11Analyzing a Difference Equatio...
18oriel0.11Basic Question
18Mei0.11Combinatorics problem. Discret...
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18chanimal0.11Propositional Logic
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18bke07120.11Venn diagram and table word pr...
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18johndunlop0.11How to solve this problem?
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18leigh ramona0.11Relations
18fvnn0.11Iterative substitution help
18Mia Fuller0.11Natural deduction
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18mehdi980.11linear conqruence and relation...
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18moyo0.11Graph Grammer Function For Two...
18strifex0.11Converting statements and logi...
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18aconti0.11negation proof
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