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Forum: Discrete Math

Discrete Math Help Forum: Discrete mathematics, logic, set theory

  1. Sticky Thread   Difference equation tutorial: draft of part I

    chisigma
    difference, draft, equation, tutorial
    • Replies: 3
    • Views: 959
    chisigma
    September 21st 2011, 07:45 AM Go to last post

  2. Exclamation Sticky Thread   Please read before posting logic questions.

    mr fantastic
    logic, posting, questions, read
    • Replies: 0
    • Views: 1,365
    mr fantastic
    February 11th 2011, 11:34 AM Go to last post

  3. Sticky Thread   List of rules used to moderate MHF - please read carefully.

    mr fantastic
    carefully, list, mhf, moderate, read, rules
    • Replies: 0
    • Views: 1,164
    mr fantastic
    July 19th 2010, 10:33 PM Go to last post
  4.   Discussions  

  1. Is this set open?

    infernalmich
    open, set
    • Replies: 5
    • Views: 210
    HallsofIvy
    June 13th 2012, 03:37 PM Go to last post

  2. Counting Regions on a Torus

    Edward2328
    counting, euler characteristic, graph theory, regions, torus
    • Replies: 0
    • Views: 130
    Edward2328
    June 11th 2012, 08:37 AM Go to last post

  3. Exclamation constructing truth tables for 3 valued logic help

    samaha34
    3 valued logic, conditional, constructing, contradiction, logic, tables, tautology, truth, valued
    • Replies: 9
    • Views: 610
    Soroban
    June 8th 2012, 06:58 AM Go to last post

  4. Godel's Incompleteness Theorem, Definability, Representability and Minimal Theories

    bram28
    arithmetic, definability, godel, incompleteness, minimal, representability, theorem, theories
    • Replies: 3
    • Views: 359
    mathlogic
    June 7th 2012, 06:58 AM Go to last post

  5. Prove there exists two strings

    whyyie
    exists, prove, strings
    • Replies: 3
    • Views: 199
    emakarov
    June 7th 2012, 04:10 AM Go to last post

  6. Intuition/Logic for Sum of Arctangent Problem

    mathminor827
    arctangent, intuition or logic, problem, sum
    • Replies: 0
    • Views: 160
    mathminor827
    June 6th 2012, 10:11 AM Go to last post

  7. chessboard problem with rooks

    blaydFaire
    chessboard, problem, rooks
    • Replies: 1
    • Views: 262
    Plato
    June 5th 2012, 04:37 PM Go to last post

  8. Convexity of a Set

    infernalmich
    convexity, set
    • Replies: 7
    • Views: 288
    infernalmich
    June 5th 2012, 01:17 PM Go to last post

  9. convert regular expression in NFA then in DFA

    krist
    automata, convert, dfa, expression, finite, nfa, regular
    • Replies: 3
    • Views: 746
    emakarov
    June 5th 2012, 07:45 AM Go to last post

  10. Question sum involving binomials

    oberguru
    binomials, involving, sum, sum binomial
    • Replies: 2
    • Views: 171
    oberguru
    June 5th 2012, 05:33 AM Go to last post

  11. combinatorics (numbers whose digits add up)

    adameast
    add, combinatorics, digits, numbers
    • Replies: 1
    • Views: 266
    Plato
    May 31st 2012, 07:16 AM Go to last post

  12. Question Relation between smooth manifolds and discrete math

    diegzumillo
    discrete, manifolds, math, relation, smooth
    • Replies: 1
    • Views: 151
    diegzumillo
    May 30th 2012, 12:22 PM Go to last post

  13. Equivalence relations help

    mandarep
    equivalence, relations
    • Replies: 5
    • Views: 208
    diegzumillo
    May 30th 2012, 12:14 PM Go to last post

  14. HAVING a hard time trying to figure out these proofs

    aporter1
    figure, hard, proofs, time
    • Replies: 0
    • Views: 130
    aporter1
    May 30th 2012, 11:43 AM Go to last post

  15. is this proof correct?

    ga04
    correct, proof
    • Replies: 2
    • Views: 276
    kalwin
    May 30th 2012, 03:50 AM Go to last post

  16. Scheduling - integer programming question [desperate]

    linalg123
    desperate, integer, programming, question, scheduling
    • Replies: 0
    • Views: 176
    linalg123
    May 26th 2012, 11:37 PM Go to last post

  17. Graph Theory

    Sarasij
    graph, theory
    • Replies: 4
    • Views: 262
    Sarasij
    May 26th 2012, 07:41 PM Go to last post

  18. Must all models of ZFC (in a standard formulation) be at least countable?

    mpitluk
    countable, formulation, models, standard, zfc
    • Replies: 1
    • Views: 194
    Deveno
    May 26th 2012, 02:20 AM Go to last post

  19. Help with transfinite numbers

    chuckg1982
    numbers, transfinite
    • Replies: 1
    • Views: 229
    emakarov
    May 24th 2012, 02:23 PM Go to last post

  20. Quantifiers and the general solution of the recurrence relation

    Tiome
    general, quantifiers, recurrence, relation, solution
    • Replies: 3
    • Views: 291
    HallsofIvy
    May 24th 2012, 07:22 AM Go to last post

  21. Big-M Method

    waytogo
    bigm, method
    • Replies: 1
    • Views: 275
    waytogo
    May 24th 2012, 03:12 AM Go to last post

  22. Equivalence relationships and binary relations

    simmy
    binary, equivalence, relations, relationships
    • Replies: 2
    • Views: 290
    simmy
    May 23rd 2012, 08:43 PM Go to last post

  23. reflexive, anti symmetric etc... for a set

    simwun
    anti, reflexive, set, symmetric
    • Replies: 3
    • Views: 365
    emakarov
    May 23rd 2012, 04:52 PM Go to last post

  24. Graph Theory & Combinatorics

    Sarasij
    combinatorics, graph, theory
    • Replies: 1
    • Views: 324
    tom@ballooncalculus
    May 21st 2012, 03:54 PM Go to last post

  25. Relationship between P(N) and the countable ordinals?

    mpitluk
    countable, ordinals, relationship
    • Replies: 2
    • Views: 256
    mpitluk
    May 21st 2012, 02:03 PM Go to last post

  26. one to one and onto

    stuffthings
    • Replies: 1
    • Views: 131
    Sylvia104
    May 20th 2012, 06:06 AM Go to last post

  27. Countably additive for special set

    raed
    additive, countably, set, special 2 Attachment(s)
    • Replies: 7
    • Views: 251
    emakarov
    May 17th 2012, 08:21 AM Go to last post

  28. Skolem's Paradox (a little philosophy)

    mpitluk
    paradox, philosophy, skolem
    • Replies: 2
    • Views: 137
    mpitluk
    May 16th 2012, 06:39 PM Go to last post

  29. First Order Logic: Why is this sentence valid?

    Zhai
    logic, order, sentence, valid
    • Replies: 1
    • Views: 276
    emakarov
    May 16th 2012, 05:54 PM Go to last post

  30. Lightbulb DIAMETER OF HAMMING GRAPH H(d, 3)

    lebdim
    diameter, graph, hamming
    • Replies: 3
    • Views: 173
    wsldam
    May 16th 2012, 02:24 PM Go to last post

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