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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: 3,468
    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: 3,744
    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: 1,855
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. Finite automata

    Started by mathmari, March 5th, 2015 07:52
    dfa, nfa, q_i, q_j, q`$
    • Replies: 2
    • Views: 546
    March 9th, 2015, 10:47 Go to last post
  3. Find a mod m and a div m

    Started by shamieh, March 4th, 2015 20:06
    111$, book, div, find, formula
    • Replies: 5
    • Views: 3,099
    March 4th, 2015, 22:41 Go to last post
  4. T(n) is continuous for n<=2

    Started by evinda, March 3rd, 2015 18:41
    • Replies: 2
    • Views: 445
    March 4th, 2015, 18:31 Go to last post
  5. Show that the language is regular

    Started by mathmari, March 2nd, 2015 17:53
    $c_n$, hints, language, regular, show
    • Replies: 1
    • Views: 403
    March 2nd, 2015, 19:18 Go to last post
  6. Order of functions

    Started by mathmari, February 28th, 2015 09:18
    2 Pages
    1 2
    2^2^n, 2^n, functions, n^frac1lg, n^lg
    • Replies: 13
    • Views: 1,146
    March 1st, 2015, 20:46 Go to last post
  7. Relation between the functions

    Started by evinda, February 25th, 2015 17:07
    2 Pages
    1 2
    $n^sin, $omega$, $sqrtn$, infty, limit
    • Replies: 14
    • Views: 1,144
    March 1st, 2015, 20:15 Go to last post
  8. Find the maximum size n

    Started by evinda, February 24th, 2015 19:08
    2 Pages
    1 2
    10^6$, 3600, cdot, find, text1
    • Replies: 15
    • Views: 1,154
    March 1st, 2015, 19:05 Go to last post
  9. Prove statement- Little-O notation

    Started by evinda, February 27th, 2015 18:46
    $forall, definition, exists, geq, prove
    • Replies: 3
    • Views: 724
    February 28th, 2015, 09:39 Go to last post
  10. Easy question regarding symbols in discrete mathematics

    Started by shamieh, February 27th, 2015 15:46
    denoted, difference, strings, symbol, symbols
    • Replies: 2
    • Views: 402
    February 27th, 2015, 19:52 Go to last post
  11. Disprove statement

    Started by evinda, February 27th, 2015 16:24
    $fn=ofn^2$, geq, leq, rightarrow, statement
    • Replies: 1
    • Views: 437
    February 27th, 2015, 16:52 Go to last post
  12. Induction

    Started by evinda, February 25th, 2015 16:13
    $t2^k=2^k, cdot, induction, show, text
    • Replies: 3
    • Views: 661
    February 26th, 2015, 07:58 Go to last post
  13. integer factorization

    Started by behnazbarzi, February 26th, 2015 05:17
    2896753, integer, method, pollards, sieve
    • Replies: 1
    • Views: 394
    February 26th, 2015, 05:41 Go to last post
  14. Graph with n nodes

    Started by mathmari, February 22nd, 2015 08:15
    • Replies: 6
    • Views: 782
    February 25th, 2015, 17:03 Go to last post
  15. solve f(n) = 2f (sqrt(n))+n

    Started by ZaidAlyafey, February 20th, 2015 12:55
    bound, formula, function, recurrence, success
    • Replies: 8
    • Views: 1,358
    February 23rd, 2015, 18:08 Go to last post
  16. Recurrence relation - initial condition

    Started by evinda, January 14th, 2015 11:15
    geq, left, recurrence, relation, rightarrow
    • Replies: 1
    • Views: 469
    February 22nd, 2015, 13:59 Go to last post
  17. Predicate Logic-Discrete Math

    Started by Voehet, February 21st, 2015 13:23
    advance, induction, math, method, valid
    • Replies: 2
    • Views: 712
    February 21st, 2015, 15:13 Go to last post
  18. Recurrence

    Started by magneto, February 18th, 2015 18:44
    $a_0, 12$, recurrence, sqrt3a_n^2, tackle
    • Replies: 4
    • Views: 718
    February 18th, 2015, 20:39 Go to last post
  19. Proof by Induction

    Started by Damo, February 17th, 2015 06:45
    divisible, process, setting, understand, writing
    • Replies: 6
    • Views: 600
    February 17th, 2015, 08:01 Go to last post
  20. Expressing with "product" notation

    Started by shamieh, February 12th, 2015 00:08
    j-1, j-2, j-3, notation, wanting
    • Replies: 7
    • Views: 585
    February 12th, 2015, 00:45 Go to last post
  21. (2+sqrt(3))^50 close to being an integer

    Started by Ciaran, February 11th, 2015 13:05
    close, explain, integer, number, sequence
    • Replies: 6
    • Views: 1,097
    February 11th, 2015, 14:01 Go to last post
  22. Proof by Mathematical Induction

    Started by needmathhelp, February 5th, 2015 22:29
    bottom, i=1, induction, mathematical, top
    • Replies: 4
    • Views: 732
    February 9th, 2015, 11:35 Go to last post
  23. Linear Programming

    Started by Yankel, February 4th, 2015 07:34
    • Replies: 1
    • Views: 633
    February 7th, 2015, 19:49 Go to last post
  24. Linear programming problem (simplex algorithm)

    Started by SillyBen, February 7th, 2015 18:25
    algorithm, linear, problem, question, simplex
    • Replies: 0
    • Views: 408
    February 7th, 2015, 18:25 Go to last post
  25. Definition of S_n

    Started by evinda, January 21st, 2015 20:58
    $b$, define, equinumerous, subset, text
    • Replies: 1
    • Views: 565
    January 28th, 2015, 11:29 Go to last post
  26. Why does this relation stand?

    Started by evinda, November 13th, 2014 06:43
    • Replies: 9
    • Views: 769
    January 23rd, 2015, 01:37 Go to last post
  27. Cardinality of continuous real functions

    Started by evinda, January 22nd, 2015 14:53
    continuous, functions, mathbbr, real, show
    • Replies: 5
    • Views: 581
    January 22nd, 2015, 17:15 Go to last post
  28. Prove that the operations are well-defined

    Started by evinda, January 22nd, 2015 14:19
    a_1, a_2, b_1, b_2$, show
    • Replies: 0
    • Views: 546
    January 22nd, 2015, 14:19 Go to last post
  29. Cardinality of set

    Started by evinda, January 21st, 2015 19:10
    a_n, cup, omega, sim, text
    • Replies: 1
    • Views: 462
    January 21st, 2015, 20:04 Go to last post
  30. Property of cardinal numbers

    Started by evinda, January 21st, 2015 19:25
    cardinal, cdot, numbers, p$$, prove
    • Replies: 0
    • Views: 297
    January 21st, 2015, 19:25 Go to last post
  31. [a,b) and (a,b) are equinumerous

    Started by evinda, January 20th, 2015 20:17
    $[a, equinumerous, find, thinking
    • Replies: 4
    • Views: 605
    January 21st, 2015, 17:00 Go to last post

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Top 235 Thread Starters For "Discrete Mathematics, Set Theory, and Logic"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1evinda22.1184All boolean functions are comp...
2mathmari7.562Statements about the preimages
3solakis3.529predicate calculus
4Peter2.319Antisymmetric Relations ... an...
5Yankel1.916Combinatorics - The pigeonhole...
5Joystar19771.916Please help me with this quest...
6yakin1.714Drawing and finding the value ...
7find_the_fun1.613How 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...
11Mathelogician1.19Question on 'Henkin theory'
11Andrei1.19substructures of the n-clique
11Aryth1.19k-extendable Problem
12caffeinemachine1.08A Rectangle Covered by 25 Disc...
12skatenerd1.08standard logical statements, n...
12tmt1.08Permutations 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
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...
17Punch0.43No. of ways to seat round a ta...
17anemone0.43Find a_{100000}
17ATroelstein0.43Proving the solution of a recu...
17QuestForInsight0.43Natural numbers form a poset u...
17Casual0.43Logic puzzle: students, cities...
17Barioth0.43Logic, proving theorem in form...
17Petrus0.43Combinatorics Word Problem
17ssome help0.43Whole number solutions
17mathworker0.43a tough combinatorics problem
17Ragnarok0.43How to remember set theory pro...
17cocoabeens0.43Formal contrapositive proof
17dana0.43identity function
17Csharp0.43Cardinality, Subsets, Sequence...
17sarrah0.43on induction as you kindly req...
17rayne0.43Negation of this statement?
17Mathick0.43Proof of sets
17Ciaran0.43Surjective functions from a se...
17ozkan120.43infinite set
17Natalie0.43Is this transitive closure cor...
17Plonker0.43Sets, Relations and Functions
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...
18bincybn0.22Sum of a discrete finite seque...
18Walshy0.22Help with a Mathematical Induc...
18Arnold0.22Graph two colours, no monochro...
18Valtham0.22Creating Symbolic Versions
18wittysoup0.22Combinatorics question involvi...
18fumbles0.22Formal Logic Proof
18mathmaniac0.22How many combinations of natur...
18paulmdrdo0.22Inclusion-Exclusion property
18sbrajagopal26900.22Proof of Inequality by Inducti...
18Rido120.22Cartesian Product
18repoman0.22Discrete Math Graph Theory
18katye3330.22Help with an Equivalence Relat...
18MI50.22Counting proof of the addition...
18annie0.22Converse,the contrapositive an...
18Fermat0.22Knaster Tarski proof
18magneto0.22Pigeonhole Principle?
18abdolah0.22Chromatic number of a graph em...
18c4nn3t0.22Simplification of logic
18mathgirl0.22chordal graphs and perfect eli...
18kp1005910.22well formed formulae in Predic...
18normaldistribut0.22Diagraph of the relation
18Olok0.22Find the number of arrangement...
18Romono0.22How do you disprove this?
18Line0.22Unbounded logical trees (2)
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18vincentvance0.22Finding particular solution to...
18HELPMEHELPME0.22Number Systems
18stanyeo19840.22Recurrence Relation
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18narledge0.22Proving Theorem help
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18Phar2wild0.22Is Cantor's second diagonal pr...
18Ella0.22A problem in set theory
18fatineouahbi0.22Composite applications
18bunyonb0.22[Series] State the first four ...
19Chris L T5210.11Why should we study logic?
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19Bacterius0.11Showing the nth prime is primi...
19bkarpuz0.11Orthogonality of stirling numb...
19grgrsanjay0.11Garland trouble
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19hmmm160.11The cumulative hierarchy and t...
19noof0.11Question in Function
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19veronica19990.11finding the unit digit
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19matqkks0.11Mathematical Induction
19Bushy0.11Permutation Question
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