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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: 4,005
    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: 4,267
    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: 2,240
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. Solving a problem using a simplified version

    Started by estex198, May 15th, 2015 11:35
    • Replies: 2
    • Views: 767
    May 15th, 2015, 14:14 Go to last post
  3. Ackermann's function is μ-recursive

    Started by mathmari, May 12th, 2015 07:12
    2 Pages
    1 2
    evaluation, function, natural, number, tuple
    • Replies: 11
    • Views: 1,559
    May 13th, 2015, 16:16 Go to last post
  4. Recursive and Primitive recursive functions

    Started by mathmari, April 29th, 2015 16:43
    $mu-$recursive, function, functions, primitive, recursive
    • Replies: 5
    • Views: 1,210
    May 10th, 2015, 17:19 Go to last post
  5. [SOLVED] Discrete Math: Linear Inhomogeneous Recurrence

    Started by stanyeo1984, April 26th, 2015 17:57
    4 Pages
    1 2 3 ... 4
    an-2, an-3, an-4, clear, closed, form, function, generating, n-2, plz, sequence, solve, websites
    • Replies: 32
    • Views: 3,097
    May 5th, 2015, 10:12 Go to last post
  6. Recurrence Relation

    Started by stanyeo1984, April 26th, 2015 19:32
    derive, fn−1, formula, recurrence, relation
    • Replies: 4
    • Views: 973
    April 30th, 2015, 18:27 Go to last post
  7. Points about the Ackermann's function

    Started by mathmari, April 15th, 2015 07:24
    2 Pages
    1 2
    ackermanns, definition, function, presentation, proof
    • Replies: 16
    • Views: 1,785
    April 28th, 2015, 04:40 Go to last post
  8. Primitive recursive functions/sets

    Started by mathmari, April 22nd, 2015 17:34
    constant, function, primitive, recursive, text
    • Replies: 6
    • Views: 886
    April 27th, 2015, 15:30 Go to last post
  9. Ackermann's function is well defined

    Started by mathmari, April 16th, 2015 13:24
    exists, inductive, mathbbn, mathbbn$, show
    • Replies: 6
    • Views: 1,047
    April 27th, 2015, 15:05 Go to last post
  10. Number Systems

    Started by HELPMEHELPME, April 25th, 2015 09:23
    100000_3, 243, base, digit, number
    • Replies: 1
    • Views: 578
    April 27th, 2015, 12:11 Go to last post
  11. Logic Circuits and Truth Tables

    Started by HELPMEHELPME, April 24th, 2015 12:15
    • Replies: 9
    • Views: 1,019
    April 26th, 2015, 10:36 Go to last post
  12. Correct Proof?

    Started by solakis, April 9th, 2015 06:13
    aforall, correct, forall, proof, proving
    • Replies: 2
    • Views: 706
    April 22nd, 2015, 10:58 Go to last post
  13. Transitive Set

    Started by evinda, January 1st, 2015 16:56
    $a$, element, elements, set, transitive
    • Replies: 6
    • Views: 1,001
    April 19th, 2015, 17:33 Go to last post
  14. Natural Number Question

    Started by sadsadsadsa, April 14th, 2015 21:54
    digits, divisible, left, natural, number
    • Replies: 5
    • Views: 1,037
    April 17th, 2015, 22:22 Go to last post
  15. Meaning and use of the Ackermann's function

    Started by mathmari, April 12th, 2015 20:15
    ackermanns, function, meaning, theoretical, wondering
    • Replies: 1
    • Views: 707
    April 13th, 2015, 14:30 Go to last post
  16. Induction

    Started by mathmari, April 8th, 2015 18:00
    hypothesis, induction, stands, steps, wondering
    • Replies: 8
    • Views: 902
    April 12th, 2015, 16:42 Go to last post
  17. Ackermann's function

    Started by mathmari, April 10th, 2015 09:46
    $f$, dots, function, primitive, x_n
    • Replies: 0
    • Views: 715
    April 10th, 2015, 09:46 Go to last post
  18. substructures of the n-clique

    Started by Andrei, April 9th, 2015 14:18
    2^n, correct, k_n, n-clique, substructures
    • Replies: 3
    • Views: 664
    April 10th, 2015, 07:22 Go to last post
  19. Pigeonhole Principle?

    Started by magneto, April 1st, 2015 02:03
    $a$, $b$, frac, number, subset
    • Replies: 1
    • Views: 715
    April 6th, 2015, 00:46 Go to last post
  20. proof in equality

    Started by solakis, March 25th, 2015 10:05
    2 Pages
    1 2
    equality, imply, reflexion, symmetry, transition
    • Replies: 15
    • Views: 1,586
    April 2nd, 2015, 09:31 Go to last post
  21. is that proof correct?

    Started by solakis, April 1st, 2015 15:05
    aforall, b[0, correct, forall, proof
    • Replies: 0
    • Views: 485
    April 1st, 2015, 15:05 Go to last post
  22. fundamental theorem and limit proofs

    Started by devorahstar, March 30th, 2015 16:30
    approximation, equals, hint, limit, stirlings
    • Replies: 1
    • Views: 524
    March 30th, 2015, 20:07 Go to last post
  23. Versions of the Knapsack problem

    Started by mathmari, March 28th, 2015 18:56
    item, knapsack, pick, problem, version
    • Replies: 1
    • Views: 394
    March 29th, 2015, 15:24 Go to last post
  24. Convert an automaton into a regular expression

    Started by mathmari, March 26th, 2015 07:22
    automaton, convert, expression, regular, wondering
    • Replies: 1
    • Views: 392
    March 26th, 2015, 13:57 Go to last post
  25. Modulos with regards to Congruence

    Started by shamieh, March 25th, 2015 18:11
    easy, idea, part, problem, reversing
    • Replies: 1
    • Views: 666
    March 26th, 2015, 03:55 Go to last post
  26. Draw the DFA

    Started by mathmari, March 23rd, 2015 21:59
    • Replies: 4
    • Views: 729
    March 25th, 2015, 17:37 Go to last post
  27. Convert the regular expression to a NFA

    Started by mathmari, March 24th, 2015 16:05
    • Replies: 0
    • Views: 458
    March 24th, 2015, 16:05 Go to last post
    • Replies: 0
    • Views: 814
    March 23rd, 2015, 13:22 Go to last post
  28. When to use "conditional" and "and" for statements?

    Started by Pikdar3, March 19th, 2015 17:52
    • Replies: 0
    • Views: 458
    March 19th, 2015, 17:52 Go to last post

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Top 255 Thread Starters For "Discrete Mathematics, Set Theory, and Logic"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1evinda21.3185Cover the houses with signal
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3solakis3.329predicate calculus
4Peter2.219Antisymmetric Relations ... an...
5Yankel1.816Combinatorics - The pigeonhole...
5Joystar19771.816Please help me with this quest...
6yakin1.614Drawing and finding the value ...
7find_the_fun1.513How to derive a recurrence rel...
8shamieh1.412Finding Time Complexities...
8KOO1.412Prove that if p and q are posi...
9jacks1.311Number of quadrilatera in poly...
10Alexmahone1.210In how many ways can a cube wi...
11Mathelogician1.09Question on 'Henkin theory'
11Andrei1.09substructures of the n-clique
11Aryth1.09k-extendable Problem
12caffeinemachine0.98A Rectangle Covered by 25 Disc...
12skatenerd0.98standard logical statements, n...
12tmt0.98Permutations or Combination?
13Yuuki0.87Using isomorphism and permutat...
13barbara0.87An Algorithm
13JProgrammer0.87Pigeon Hole Theory
14issacnewton0.76check if relation is equivalen...
14andrew0.76Binary Relations
15hossam killua0.65math logic
15ertagon20.65Sets Countable/Uncountable
16Bingk0.54Terminology on graph theory
16dwsmith0.54(A - B)\cup B = A
16chisigma0.54Two interesting problems...
16ZaidAlyafey0.54solve f(n) = 2f (sqrt(n))+n
16sadsadsadsa0.54Adjacency Matrix Problem and A...
16WannaBe0.54Venn Diagram
16Pranav0.54Recurrence relation problem
16Kristen0.54Digraph of a Binary Positional...
16JaAnTr0.54Help understanding a puzzle.
16IHateFactorial0.54Recurrence relation
16Puzzles0.54Two graph theory problems
16johnny0090.54Prime Or Composite - Proof re...
17Punch0.33No. of ways to seat round a ta...
17anemone0.33Find a_{100000}
17ATroelstein0.33Proving the solution of a recu...
17QuestForInsight0.33Natural numbers form a poset u...
17Casual0.33Logic puzzle: students, cities...
17Barioth0.33Logic, proving theorem in form...
17Petrus0.33Combinatorics Word Problem
17ssome help0.33Whole number solutions
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17cocoabeens0.33Formal contrapositive proof
17dana0.33identity function
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17sarrah0.33on induction as you kindly req...
17Olok0.33Recursive string equation
17rayne0.33Negation of this statement?
17Mathick0.33Proof of sets
17Ciaran0.33Surjective functions from a se...
17ozkan120.33infinite set
17Natalie0.33Is this transitive closure cor...
17Plonker0.33Sets, Relations and Functions
17trevor0.33Truth tables
18Ackbach0.22Question in Landau's Foundatio...
18conscipost0.22Bounds on size of subset of ad...
18rcs0.22infinite elements in the unive...
18Poirot0.22Proof by contradiction
18Swlabr0.22Coprime mod n implies coprime...
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18Arnold0.22Graph two colours, no monochro...
18Valtham0.22Creating Symbolic Versions
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