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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: 3,385
    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: 3,665
    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: 1,820
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. Prove statement- Little-O notation

    Started by evinda, February 27th, 2015 18:46
    $forall, definition, exists, geq, prove
    • Replies: 3
    • Views: 671
    February 28th, 2015, 09:39 Go to last post
  3. Easy question regarding symbols in discrete mathematics

    Started by shamieh, February 27th, 2015 15:46
    denoted, difference, strings, symbol, symbols
    • Replies: 2
    • Views: 383
    February 27th, 2015, 19:52 Go to last post
  4. Disprove statement

    Started by evinda, February 27th, 2015 16:24
    $fn=ofn^2$, geq, leq, rightarrow, statement
    • Replies: 1
    • Views: 427
    February 27th, 2015, 16:52 Go to last post
  5. Induction

    Started by evinda, February 25th, 2015 16:13
    $t2^k=2^k, cdot, induction, show, text
    • Replies: 3
    • Views: 625
    February 26th, 2015, 07:58 Go to last post
  6. integer factorization

    Started by behnazbarzi, February 26th, 2015 05:17
    2896753, integer, method, pollards, sieve
    • Replies: 1
    • Views: 375
    February 26th, 2015, 05:41 Go to last post
  7. Graph with n nodes

    Started by mathmari, February 22nd, 2015 08:15
    • Replies: 6
    • Views: 743
    February 25th, 2015, 17:03 Go to last post
  8. solve f(n) = 2f (sqrt(n))+n

    Started by ZaidAlyafey, February 20th, 2015 12:55
    bound, formula, function, recurrence, success
    • Replies: 8
    • Views: 1,286
    February 23rd, 2015, 18:08 Go to last post
  9. Recurrence relation - initial condition

    Started by evinda, January 14th, 2015 11:15
    geq, left, recurrence, relation, rightarrow
    • Replies: 1
    • Views: 457
    February 22nd, 2015, 13:59 Go to last post
  10. Predicate Logic-Discrete Math

    Started by Voehet, February 21st, 2015 13:23
    advance, induction, math, method, valid
    • Replies: 2
    • Views: 667
    February 21st, 2015, 15:13 Go to last post
  11. Recurrence

    Started by magneto, February 18th, 2015 18:44
    $a_0, 12$, recurrence, sqrt3a_n^2, tackle
    • Replies: 4
    • Views: 692
    February 18th, 2015, 20:39 Go to last post
  12. Proof by Induction

    Started by Damo, February 17th, 2015 06:45
    divisible, process, setting, understand, writing
    • Replies: 6
    • Views: 559
    February 17th, 2015, 08:01 Go to last post
  13. Expressing with "product" notation

    Started by shamieh, February 12th, 2015 00:08
    j-1, j-2, j-3, notation, wanting
    • Replies: 7
    • Views: 568
    February 12th, 2015, 00:45 Go to last post
  14. (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: 1,035
    February 11th, 2015, 14:01 Go to last post
  15. Proof by Mathematical Induction

    Started by needmathhelp, February 5th, 2015 22:29
    bottom, i=1, induction, mathematical, top
    • Replies: 4
    • Views: 691
    February 9th, 2015, 11:35 Go to last post
  16. Linear Programming

    Started by Yankel, February 4th, 2015 07:34
    • Replies: 1
    • Views: 606
    February 7th, 2015, 19:49 Go to last post
  17. Linear programming problem (simplex algorithm)

    Started by SillyBen, February 7th, 2015 18:25
    algorithm, linear, problem, question, simplex
    • Replies: 0
    • Views: 381
    February 7th, 2015, 18:25 Go to last post
  18. Definition of S_n

    Started by evinda, January 21st, 2015 20:58
    $b$, define, equinumerous, subset, text
    • Replies: 1
    • Views: 529
    January 28th, 2015, 11:29 Go to last post
  19. Why does this relation stand?

    Started by evinda, November 13th, 2014 06:43
    • Replies: 9
    • Views: 749
    January 23rd, 2015, 01:37 Go to last post
  20. Cardinality of continuous real functions

    Started by evinda, January 22nd, 2015 14:53
    continuous, functions, mathbbr, real, show
    • Replies: 5
    • Views: 569
    January 22nd, 2015, 17:15 Go to last post
  21. 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: 503
    January 22nd, 2015, 14:19 Go to last post
  22. Cardinality of set

    Started by evinda, January 21st, 2015 19:10
    a_n, cup, omega, sim, text
    • Replies: 1
    • Views: 436
    January 21st, 2015, 20:04 Go to last post
  23. Property of cardinal numbers

    Started by evinda, January 21st, 2015 19:25
    cardinal, cdot, numbers, p$$, prove
    • Replies: 0
    • Views: 284
    January 21st, 2015, 19:25 Go to last post
  24. [a,b) and (a,b) are equinumerous

    Started by evinda, January 20th, 2015 20:17
    $[a, equinumerous, find, thinking
    • Replies: 4
    • Views: 575
    January 21st, 2015, 17:00 Go to last post
  25. The set {0,1}^ω is not countable

    Started by evinda, January 20th, 2015 18:15
    1^omega$, infinite, omega, set
    • Replies: 3
    • Views: 611
    January 21st, 2015, 16:57 Go to last post
  26. Example - Generalized Union

    Started by evinda, January 21st, 2015 11:19
    omega, omega$, oversettext, sequence, surjective
    • Replies: 2
    • Views: 597
    January 21st, 2015, 15:36 Go to last post
  27. [SOLVED] Why do we show in this way that it is not the image of the function?

    Started by evinda, January 21st, 2015 07:35
    $f$, mathcalpa$, notin, set, show
    • Replies: 1
    • Views: 426
    January 21st, 2015, 11:24 Go to last post
  28. Prove by induction that the function is injective

    Started by evinda, January 20th, 2015 18:35
    1^omega, countable, frac2b_n3^n+1$, omega, show
    • Replies: 2
    • Views: 700
    January 21st, 2015, 06:54 Go to last post
  29. The cartesian product n x m

    Started by evinda, January 17th, 2015 21:36
    bijective, cdot, function, m=n, times
    • Replies: 5
    • Views: 901
    January 20th, 2015, 20:49 Go to last post
  30. The set of integers is countable

    Started by evinda, January 20th, 2015 14:59
    $mathbbz$, countable, langle, rangle, set
    • Replies: 5
    • Views: 733
    January 20th, 2015, 18:24 Go to last post
  31. The set UA is finite

    Started by evinda, January 20th, 2015 11:18
    $a$, $bigcup, finite, set, sets
    • Replies: 6
    • Views: 645
    January 20th, 2015, 15:24 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...
12bergausstein0.87Sets
12Guest0.87Mappings
12barbara0.87An Algorithm
12JProgrammer0.87Pigeon Hole Theory
13issacnewton0.76check if relation is equivalen...
13andrew0.76Binary Relations
14delc10.65Induction
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
17flashback0.22Relations
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...
18QuirinusQ0.11Sum of first m terms of a comb...
18Cbarker10.11Writing a statement into symbo...
18MikeLandry0.11Set Theory Proofs
18numbersense0.11Inequality proof - for determi...
18dizzieko030.11Stuck on Venn Diagram Problem
18Guilmon0.11Verify using Mathematical Indu...
18sweatingbear0.11Proof critique: Induction
18cupofcoffee0.11To show that a triangle free g...
18crypt500.11Induction Help
18baiyang110.11Select some particular element...
18lamsung0.11cardinality of a infinite subs...
18andydoinmath0.11Equivalence Relations
18buchi0.11Does K5 contain Eulerian circu...
18shen070.11Proof By Induction
18henry10.11Equivalency relations
18skaeno0.11Logic - show that...
18zethieo0.11Show that a quantified stateme...
18wishmaster0.11Prove with mathematical induct...
18bootleg0.11A tricky logic word problem? A...
18nano0.11Induction Problem
18racket0.11Mathematical Induction Help
18tommietang0.11Finding a general formula for ...
18E010.11Such That=IFF?
18Dog0.11Generalized mathematical induc...
18Quintessential0.11Inference Exercise
18estex1980.11Solving a problem using a simp...
1806Rousher0.11Fibonacci sequence help
18seacoast1230.11Find a countable set that is a...
18Abstract30000.11Discrete Probability Question
18mangaferret0.11Doubles Tournament set up
18nanoquack0.11LTL, CTL or TLA for modelling ...
18caters0.11Sets of primes
18Cribs14200.11Proof By Induction Help Needed
18vb140.11logic and math task
18outkast320.11Mathematical Induction questio...
18issoder0.11Finding an Expression for t(n)
18Sunohara0.11Need help with an arrangement ...
18zack950.114 proof Questions , Please Hel...
18Ryuna0.11Proof using Induction
18Howang0.11Generating Function Tree
18LeoSmolka0.11Need book recommendation for S...
18rymatson4060.11Truth table...
18JohnDoe20130.113-COLOR Decision Problem and O...
18fernlund0.11Next set of prime birthdays fo...
18taya0.11linear recurrence
18ash0.11Rewrite as a formal propositio...
18needmathhelp0.11Proof by Mathematical Inductio...
18SillyBen0.11Linear programming problem (si...
18behnazbarzi0.11integer factorization
18Damo0.11Proof by Induction
18Voehet0.11Predicate Logic-Discrete Math
18crobertson03080.11Independence of Axioms
18Aja0.11Number of ways some numbers ca...
18Pikdar30.11When to use "conditional&...
18devorahstar0.11fundamental theorem and limit ...
18Epaulaland0.11Random graphs are a fascinatin...
18logan30.11Proving a Set Theory Statement...
18tragito890.11Simplest Proof of Satisfiabili...
18zenakent0.11Some help with some problems a...
18RaTawer0.11Look for help with combination...
18Moodion0.11Direct Proof of an Inequality
18yarnlife0.11Mathematical Thinking - Matric...
18Matti0.11Seeking general solution for G...
18samir0.11Pattern description: powers of...
18malloryjohn0.11creating theorems for an axiom...
18averyjedwards20.11Formal Proofs
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...
18dezzi0.11Creating theorems from the giv...
18chanimal0.11Propositional Logic
18TheGreat0.11Proving Set Operations [Set Th...
18werebilby0.11Laws of Logic
18nikkor1800.11set of all sets
18sweicher0.11Can anyone explain singly and ...
18jmprada0.117 nodes
18bke07120.11Venn diagram and table word pr...
18biocamme0.11prove relationship between set...
18ffdude0.11Question regarding pigeonhole ...
18Jkawa0.11Diophantine Equation
18LearnerJr0.11Prim's algorithm for minimal s...
18Leanna0.11Logic
18johndunlop0.11How to solve this problem?
18zuhaira350.11how to find the Domain , Range...
18leigh ramona0.11Relations
18fvnn0.11Iterative substitution help
18JamesD0.11Logic
18Mia Fuller0.11Natural deduction
18happinessuni0.11graph theory (permutation)
18mehdi980.11linear conqruence and relation...
18khoo0.11Proving sets
18daniel felipe0.11Demonstration of set operation
18moyo0.11Graph Grammer Function For Two...
18strifex0.11Converting statements and logi...
18natalie2060.11Translate argument into symbol...
18aconti0.11negation proof
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