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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: 3,413
    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: 3,695
    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: 1,831
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

    • Replies: 5
    • Views: 332
    May 11th, 2017, 22:56 Go to last post
  2. Two graph theory problems

    Started by Puzzles, May 9th, 2017 15:06
    bipartite, complete, graph, graphs, tree
    • Replies: 2
    • Views: 265
    May 10th, 2017, 18:17 Go to last post
  3. linear conqruence and relations problem

    Started by mehdi98, May 1st, 2017 10:02
    linear, linear congruence, mod, relations, solutions
    • Replies: 2
    • Views: 236
    May 1st, 2017, 16:34 Go to last post
  4. Pigeonhole Principle Problems

    Started by Yankel, April 30th, 2017 13:05
    couple, numbers, points, principle, prove
    • Replies: 2
    • Views: 231
    April 30th, 2017, 17:00 Go to last post
  5. Recurrence equation

    Started by Puzzles, April 23rd, 2017 09:54
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 789
    April 24th, 2017, 15:22 Go to last post
  6. Help with difference equation

    Started by Puzzles, April 16th, 2017 12:22
    • Replies: 9
    • Views: 333
    April 16th, 2017, 14:21 Go to last post
  7. graph theory (permutation)

    Started by happinessuni, April 9th, 2017 17:44
    • Replies: 2
    • Views: 263
    April 11th, 2017, 09:37 Go to last post
  8. Predicate Logic

    Started by Yankel, April 8th, 2017 04:57
    lid, lids, number, phrase, pot
    • Replies: 3
    • Views: 271
    April 8th, 2017, 22:55 Go to last post
  9. Sets, Relations and Functions

    Started by Plonker, March 27th, 2017 20:49
    • Replies: 1
    • Views: 295
    March 28th, 2017, 13:47 Go to last post
  10. The infinity hotel

    Started by Yankel, March 24th, 2017 10:02
    hotel, infinite, number, people, room
    • Replies: 1
    • Views: 246
    March 24th, 2017, 17:47 Go to last post
  11. chordal graphs and perfect elimination orderings

    Started by mathgirl, March 22nd, 2017 02:54
    graph, pes, show, simplicial, vertex
    • Replies: 0
    • Views: 157
    March 22nd, 2017, 02:54 Go to last post
  12. Natural deduction

    Started by Mia Fuller, March 19th, 2017 11:14
    • Replies: 1
    • Views: 250
    March 20th, 2017, 14:08 Go to last post
  13. Permutations or Combination?

    Started by tmt, March 18th, 2017 13:32
    $x$s, combination, object, places, ways
    • Replies: 1
    • Views: 199
    March 18th, 2017, 13:45 Go to last post
  14. Combinatorics Problem

    Started by Puzzles, March 12th, 2017 17:44
    digit, made, numbers, problem, start
    • Replies: 4
    • Views: 289
    March 13th, 2017, 05:40 Go to last post
  15. Predicate logic question

    Started by tmt, March 9th, 2017 16:34
    exists, forall, happyy, land, predicate
    • Replies: 3
    • Views: 294
    March 10th, 2017, 10:55 Go to last post
  16. Another Logic Question

    Started by Plonker, March 9th, 2017 11:23
    • Replies: 1
    • Views: 202
    March 9th, 2017, 23:05 Go to last post
  17. Logic Questions

    Started by Plonker, March 6th, 2017 10:44
    • Replies: 1
    • Views: 232
    March 6th, 2017, 17:35 Go to last post
  18. Logic

    Started by JamesD, March 6th, 2017 03:36
    • Replies: 3
    • Views: 266
    March 6th, 2017, 12:20 Go to last post
  19. Symmetric Difference Problem

    Started by Yankel, March 2nd, 2017 10:50
    • Replies: 2
    • Views: 265
    March 3rd, 2017, 09:49 Go to last post
  20. Knaster Tarski proof

    Started by Fermat, March 1st, 2017 13:57
    attempt][1]][1], image, knaster, proof, [1]
    • Replies: 3
    • Views: 241
    March 1st, 2017, 20:42 Go to last post
  21. set theory ordinal proof

    Started by Fermat, March 1st, 2017 13:54
    $beta$, ordinal, proof, set, theory
    • Replies: 0
    • Views: 219
    March 1st, 2017, 13:54 Go to last post
  22. [SOLVED] Set theory problem

    Started by FallArk, February 25th, 2017 13:02
    find, function, f^-1gx, set, theory
    • Replies: 7
    • Views: 396
    February 25th, 2017, 18:35 Go to last post
  23. Linear Optimization: Possibilities

    Started by mathmari, February 13th, 2017 04:30
    2 Pages
    1 2
    • Replies: 11
    • Views: 520
    February 17th, 2017, 17:44 Go to last post
  24. Iterative substitution help

    Started by fvnn, February 8th, 2017 03:41
    2^2tn/2^2+n2/2+n^2, 2^3tn/2^3+n2/2^2+n2/2+n^2, iterative, question, substitution
    • Replies: 1
    • Views: 264
    February 8th, 2017, 05:57 Go to last post
  25. Logic

    Started by Leanna, February 6th, 2017 03:54
    appreciative, equivalence, logic, required, solve
    • Replies: 3
    • Views: 374
    February 6th, 2017, 14:34 Go to last post
  26. Relations

    Started by leigh ramona, February 3rd, 2017 19:44
    cap, determine, relation, relations, symmetric
    • Replies: 3
    • Views: 409
    February 4th, 2017, 17:19 Go to last post
  27. Propositions for recursive functions

    Started by evinda, January 31st, 2017 07:28
    2 Pages
    1 2
    domain, enumerable, function, recursive, recursively
    • Replies: 18
    • Views: 981
    February 2nd, 2017, 17:49 Go to last post
  28. Meaning of definition

    Started by evinda, January 30th, 2017 15:01
    2 Pages
    1 2
    $t_n1$, defined, defines, function, totally
    • Replies: 12
    • Views: 868
    February 2nd, 2017, 15:57 Go to last post
  29. Find the turing machine

    Started by evinda, February 1st, 2017 15:13
    • Replies: 0
    • Views: 198
    February 1st, 2017, 15:13 Go to last post

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Top 233 Thread Starters For "Discrete Mathematics, Set Theory, and Logic"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1evinda22.2184All 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...
13bergausstein0.87Sets
13Guest0.87Mappings
13barbara0.87An Algorithm
13JProgrammer0.87Pigeon Hole Theory
14issacnewton0.76check if relation is equivalen...
14andrew0.76Binary Relations
15delc10.65Induction
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)
18Henry R0.22How to give a proof of tautolo...
18vincentvance0.22Finding particular solution to...
18HELPMEHELPME0.22Number Systems
18stanyeo19840.22Recurrence Relation
18flashback0.22Relations
18stan19920.22Prove that the expression is a...
18narledge0.22Proving Theorem help
18student0.22Tournament Scheduling
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?
19Jameson0.11Prove sum of (-1)^i times n ch...
19Bacterius0.11Showing the nth prime is primi...
19bkarpuz0.11Orthogonality of stirling numb...
19grgrsanjay0.11Garland trouble
19Chinta0.11Problem on Graph Theory and Al...
19janvdl0.11Recognisable colourings of gra...
19Also sprach Zarathustra0.11Transitive sets.
19DanSlevin0.11Solving Recurrence Equation
19William0.11Mathematical Induction questio...
19VincentP0.11Sum with Binomial Coefficients
19Lolyta0.11Diophantine equation second gr...
19marobin0.11Confusion with variables when ...
19hmmm160.11The cumulative hierarchy and t...
19noof0.11Question in Function
19simwun0.11Basic Set theory help
19cept0.11Vertices of Attachment Questio...
19veronica19990.11finding the unit digit
19Reckoner0.11Induction Proof of Inequality ...
19matqkks0.11Mathematical Induction
19Bushy0.11Permutation Question
19kanderson0.11Book Recommendations for Proof...
19Alan0.11Something in Measure Theory
19VoNemo190.11If S has the same number of el...
19topsquark0.11Induction Proof
19iany000.11Problem on Graph Theory and Al...
19billobillo0.11Expected value of minimum Hamm...
19eric340.11Mathematical Induction problem
19RWood0.11Unbounded subset of ordinals a...
19schinb650.11find the intersection value of...
19QuirinusQ0.11Sum of first m terms of a comb...
19Cbarker10.11Writing a statement into symbo...
19MikeLandry0.11Set Theory Proofs
19numbersense0.11Inequality proof - for determi...
19dizzieko030.11Stuck on Venn Diagram Problem
19Guilmon0.11Verify using Mathematical Indu...
19sweatingbear0.11Proof critique: Induction
19cupofcoffee0.11To show that a triangle free g...
19crypt500.11Induction Help
19baiyang110.11Select some particular element...
19lamsung0.11cardinality of a infinite subs...
19andydoinmath0.11Equivalence Relations
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19shen070.11Proof By Induction
19henry10.11Equivalency relations
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19nano0.11Induction Problem
19racket0.11Mathematical Induction Help
19tommietang0.11Finding a general formula for ...
19E010.11Such That=IFF?
19Dog0.11Generalized mathematical induc...
19Quintessential0.11Inference Exercise
19estex1980.11Solving a problem using a simp...
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19seacoast1230.11Find a countable set that is a...
19Abstract30000.11Discrete Probability Question
19mangaferret0.11Doubles Tournament set up
19nanoquack0.11LTL, CTL or TLA for modelling ...
19caters0.11Sets of primes
19Cribs14200.11Proof By Induction Help Needed
19vb140.11logic and math task
19outkast320.11Mathematical Induction questio...
19issoder0.11Finding an Expression for t(n)
19Sunohara0.11Need help with an arrangement ...
19zack950.114 proof Questions , Please Hel...
19Ryuna0.11Proof using Induction
19Howang0.11Generating Function Tree
19LeoSmolka0.11Need book recommendation for S...
19rymatson4060.11Truth table...
19JohnDoe20130.113-COLOR Decision Problem and O...
19fernlund0.11Next set of prime birthdays fo...
19taya0.11linear recurrence
19ash0.11Rewrite as a formal propositio...
19needmathhelp0.11Proof by Mathematical Inductio...
19SillyBen0.11Linear programming problem (si...
19behnazbarzi0.11integer factorization
19Damo0.11Proof by Induction
19Voehet0.11Predicate Logic-Discrete Math
19crobertson03080.11Independence of Axioms
19Aja0.11Number of ways some numbers ca...
19Pikdar30.11When to use "conditional&...
19devorahstar0.11fundamental theorem and limit ...
19Epaulaland0.11Random graphs are a fascinatin...
19logan30.11Proving a Set Theory Statement...
19tragito890.11Simplest Proof of Satisfiabili...
19zenakent0.11Some help with some problems a...
19RaTawer0.11Look for help with combination...
19Moodion0.11Direct Proof of an Inequality
19yarnlife0.11Mathematical Thinking - Matric...
19Matti0.11Seeking general solution for G...
19samir0.11Pattern description: powers of...
19malloryjohn0.11creating theorems for an axiom...
19averyjedwards20.11Formal Proofs
19FallArk0.11Set theory problem
19Hummingbird0.11Dividing students into groups,...
19mathewslauren0.11Logic: Reductio Ad Absurdem As...
19lize0.11Conditional proof for multiple...
19MupptMath0.11Proving the symmetry of self c...
19Theia0.11Analyzing a Difference Equatio...
19oriel0.11Basic Question
19Mei0.11Combinatorics problem. Discret...
19dezzi0.11Creating theorems from the giv...
19chanimal0.11Propositional Logic
19TheGreat0.11Proving Set Operations [Set Th...
19werebilby0.11Laws of Logic
19nikkor1800.11set of all sets
19sweicher0.11Can anyone explain singly and ...
19jmprada0.117 nodes
19bke07120.11Venn diagram and table word pr...
19biocamme0.11prove relationship between set...
19ffdude0.11Question regarding pigeonhole ...
19Jkawa0.11Diophantine Equation
19LearnerJr0.11Prim's algorithm for minimal s...
19Leanna0.11Logic
19johndunlop0.11How to solve this problem?
19zuhaira350.11how to find the Domain , Range...
19leigh ramona0.11Relations
19fvnn0.11Iterative substitution help
19JamesD0.11Logic
19Mia Fuller0.11Natural deduction
19happinessuni0.11graph theory (permutation)
19mehdi980.11linear conqruence and relation...
19khoo0.11Proving sets
19daniel felipe0.11Demonstration of set operation
19moyo0.11Graph Grammer Function For Two...
19strifex0.11Converting statements and logi...
19natalie2060.11Translate argument into symbol...
19aconti0.11negation proof
19TremblayFil0.11Logic - Natural Deduction HELP
19TinaSprout0.11Union and set rules
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