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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: 3,345
    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: 3,607
    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: 1,795
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. Writing a statement into symbolic logic

    Started by Cbarker1, October 21st, 2017 06:46
    integer, integral, multiple, statement, symbolic
    • Replies: 2
    • Views: 52
    October 21st, 2017, 10:09 Go to last post
  3. Double induction

    Started by mathmari, October 1st, 2017 17:59
    holds, inductive, mathbbn$, proposition, show
    • Replies: 6
    • Views: 143
    October 9th, 2017, 09:52 Go to last post
    • Replies: 4
    • Views: 222
    August 11th, 2017, 05:31 Go to last post
  4. ZFC ... Axioms of Foundation ... and Infinity ...

    Started by Peter, July 25th, 2017 04:15
    • Replies: 9
    • Views: 325
    August 1st, 2017, 01:43 Go to last post
  5. All boolean functions are computed by a depth 2 circuit

    Started by evinda, July 3rd, 2017 09:52
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 746
    July 30th, 2017, 18:21 Go to last post
  6. Why isn't the circuit a combinatorial one?

    Started by evinda, June 21st, 2017 14:41
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 513
    July 3rd, 2017, 19:07 Go to last post
  7. Demonstration of set operation

    Started by daniel felipe, June 15th, 2017 18:51
    axbΔc=axbΔaxc, demonstration, demostracion, possibility, solve
    • Replies: 1
    • Views: 163
    June 16th, 2017, 16:28 Go to last post
  8. Partial Order Relation and Equivalence Relation

    Started by Yankel, June 6th, 2017 16:24
    order, partial, relation, r^-1], union
    • Replies: 5
    • Views: 213
    June 8th, 2017, 17:03 Go to last post
  9. Partial Order Relation on a Functions Set

    Started by Yankel, June 4th, 2017 02:17
    functions, order, partial, relation, set
    • Replies: 3
    • Views: 146
    June 4th, 2017, 18:29 Go to last post
  10. Different Number of Equivalence Relations

    Started by Yankel, May 24th, 2017 16:53
    approach, classes, equivalence, number, relations
    • Replies: 4
    • Views: 213
    May 27th, 2017, 04:46 Go to last post
  11. Proving sets

    Started by khoo, May 25th, 2017 22:21
    prove, proving, sets
    • Replies: 1
    • Views: 146
    May 26th, 2017, 07:11 Go to last post
    • Replies: 5
    • Views: 293
    May 11th, 2017, 22:56 Go to last post
  12. Two graph theory problems

    Started by Puzzles, May 9th, 2017 15:06
    bipartite, complete, graph, graphs, tree
    • Replies: 2
    • Views: 193
    May 10th, 2017, 18:17 Go to last post
  13. linear conqruence and relations problem

    Started by mehdi98, May 1st, 2017 10:02
    linear, linear congruence, mod, relations, solutions
    • Replies: 2
    • Views: 208
    May 1st, 2017, 16:34 Go to last post
  14. Pigeonhole Principle Problems

    Started by Yankel, April 30th, 2017 13:05
    couple, numbers, points, principle, prove
    • Replies: 2
    • Views: 189
    April 30th, 2017, 17:00 Go to last post
  15. Recurrence equation

    Started by Puzzles, April 23rd, 2017 09:54
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 736
    April 24th, 2017, 15:22 Go to last post
  16. Help with difference equation

    Started by Puzzles, April 16th, 2017 12:22
    • Replies: 9
    • Views: 307
    April 16th, 2017, 14:21 Go to last post
  17. graph theory (permutation)

    Started by happinessuni, April 9th, 2017 17:44
    • Replies: 2
    • Views: 227
    April 11th, 2017, 09:37 Go to last post
  18. Predicate Logic

    Started by Yankel, April 8th, 2017 04:57
    lid, lids, number, phrase, pot
    • Replies: 3
    • Views: 236
    April 8th, 2017, 22:55 Go to last post
  19. Sets, Relations and Functions

    Started by Plonker, March 27th, 2017 20:49
    • Replies: 1
    • Views: 238
    March 28th, 2017, 13:47 Go to last post
  20. The infinity hotel

    Started by Yankel, March 24th, 2017 10:02
    hotel, infinite, number, people, room
    • Replies: 1
    • Views: 201
    March 24th, 2017, 17:47 Go to last post
  21. chordal graphs and perfect elimination orderings

    Started by mathgirl, March 22nd, 2017 02:54
    graph, pes, show, simplicial, vertex
    • Replies: 0
    • Views: 120
    March 22nd, 2017, 02:54 Go to last post
  22. Natural deduction

    Started by Mia Fuller, March 19th, 2017 11:14
    • Replies: 1
    • Views: 180
    March 20th, 2017, 14:08 Go to last post
  23. Permutations or Combination?

    Started by tmt, March 18th, 2017 13:32
    $x$s, combination, object, places, ways
    • Replies: 1
    • Views: 153
    March 18th, 2017, 13:45 Go to last post
  24. Combinatorics Problem

    Started by Puzzles, March 12th, 2017 17:44
    digit, made, numbers, problem, start
    • Replies: 4
    • Views: 252
    March 13th, 2017, 05:40 Go to last post
  25. Predicate logic question

    Started by tmt, March 9th, 2017 16:34
    exists, forall, happyy, land, predicate
    • Replies: 3
    • Views: 259
    March 10th, 2017, 10:55 Go to last post
  26. Another Logic Question

    Started by Plonker, March 9th, 2017 11:23
    • Replies: 1
    • Views: 177
    March 9th, 2017, 23:05 Go to last post
  27. Logic Questions

    Started by Plonker, March 6th, 2017 10:44
    • Replies: 1
    • Views: 192
    March 6th, 2017, 17:35 Go to last post

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Top 227 Thread Starters For "Discrete Mathematics, Set Theory, and Logic"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1evinda22.7184All boolean functions are comp...
2mathmari7.561Double induction
3solakis3.629predicate calculus
4Joystar19772.016Please help me with this quest...
5Yankel1.815Partial Order Relation and Equ...
6yakin1.714Drawing and finding the value ...
7find_the_fun1.613How to derive a recurrence rel...
8Peter1.512ZFC ... Axioms of Foundation ....
8shamieh1.512Finding Time Complexities...
8KOO1.512Prove that if p and q are posi...
9jacks1.411Number 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?
13Yuuki0.97Using isomorphism and permutat...
13barbara0.97An Algorithm
13JProgrammer0.97Pigeon 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
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
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
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19sweatingbear0.11Proof critique: Induction
19cupofcoffee0.11To show that a triangle free g...
19crypt500.11Induction Help
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19lamsung0.11cardinality of a infinite subs...
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19shen070.11Proof By Induction
19henry10.11Equivalency relations
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19E010.11Such That=IFF?
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19Cribs14200.11Proof By Induction Help Needed
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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...
19johndunlop0.11How to solve this problem?
19zuhaira350.11how to find the Domain , Range...
19leigh ramona0.11Relations
19fvnn0.11Iterative substitution help
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...
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