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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: 3,117
    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: 3,352
    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: 1,699
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. CNF Form

    Started by Yankel, September 28th, 2016 11:07
    advance, cnf, form, rules, unsuccessfully
    • Replies: 3
    • Views: 314
    September 29th, 2016, 16:38 Go to last post
  3. prove relationship between sets

    Started by biocamme, September 21st, 2016 20:38
    a∩b^c=a^c∪b^c, a∪b^c=a^c∩b^c, prove, sets, relationship
    • Replies: 4
    • Views: 374
    September 27th, 2016, 19:40 Go to last post
  4. Logical Implication

    Started by Yankel, September 24th, 2016 05:36
    beta, left, models, rightarrow, [alpha
    • Replies: 5
    • Views: 341
    September 27th, 2016, 15:32 Go to last post
  5. predicate calculus

    Started by solakis, September 19th, 2016 11:15
    calculus, paradox, predicate, russells, shave
    • Replies: 7
    • Views: 403
    September 23rd, 2016, 13:47 Go to last post
  6. Tournament Scheduling

    Started by student, September 7th, 2016 02:02
    combinatorics, ideas, kind, scheduling, tournament
    • Replies: 1
    • Views: 184
    September 8th, 2016, 13:57 Go to last post
  7. 7 nodes

    Started by jmprada, September 6th, 2016 06:33
    communicate, phone, share, solutions, students
    • Replies: 2
    • Views: 295
    September 6th, 2016, 11:44 Go to last post
  8. Proving Functions

    Started by JProgrammer, August 21st, 2016 20:47
    function, functions, prove, proving, x^2
    • Replies: 7
    • Views: 452
    August 26th, 2016, 14:02 Go to last post
  9. Proving Countable Infinity

    Started by JProgrammer, August 24th, 2016 18:58
    countably, infinite, number, odd, prove
    • Replies: 4
    • Views: 391
    August 25th, 2016, 10:53 Go to last post
  10. Graph Labelng

    Started by student, August 25th, 2016 04:51
    appreciated, cordial, graphs, labeling, thesis
    • Replies: 0
    • Views: 167
    August 25th, 2016, 04:51 Go to last post
  11. Pigeon Hole Theory

    Started by JProgrammer, August 24th, 2016 19:06
    blue, number, pigeon, socks, theory
    • Replies: 1
    • Views: 317
    August 24th, 2016, 19:15 Go to last post
  12. The problem {x ∣ Tx(x)=1} is undecidable

    Started by mathmari, August 19th, 2016 17:01
    $b$, construct, function, problem, undecidable
    • Replies: 5
    • Views: 328
    August 21st, 2016, 06:00 Go to last post
  13. Travelling Salesman Problem

    Started by mathmari, August 9th, 2016 15:17
    • Replies: 2
    • Views: 257
    August 20th, 2016, 05:39 Go to last post
  14. [SOLVED] The language is undecidable

    Started by mathmari, August 11th, 2016 18:04
    2 Pages
    1 2
    $h_0$, decidable, input, language, means
    • Replies: 12
    • Views: 684
    August 19th, 2016, 17:03 Go to last post
  15. Proving a Function Theorem

    Started by JProgrammer, August 17th, 2016 22:26
    function, g∘f, part, prove, proven
    • Replies: 4
    • Views: 336
    August 18th, 2016, 20:40 Go to last post
  16. F o G definition

    Started by JProgrammer, August 18th, 2016 19:57
    definition
    • Replies: 1
    • Views: 162
    August 18th, 2016, 20:33 Go to last post
  17. F^-1 definition

    Started by JProgrammer, August 17th, 2016 22:34
    definition, f^-1, sets
    • Replies: 2
    • Views: 203
    August 18th, 2016, 13:50 Go to last post
  18. The language is also regular

    Started by evinda, August 12th, 2016 18:20
    2 Pages
    1 2
    $l$, $l^r=, regular, state, w^r
    • Replies: 18
    • Views: 778
    August 17th, 2016, 14:20 Go to last post
  19. Describe the Turing machine

    Started by mathmari, August 11th, 2016 18:20
    $n$, length, machine, subword, turing
    • Replies: 1
    • Views: 184
    August 13th, 2016, 18:10 Go to last post
  20. Binary Relations

    Started by JProgrammer, August 12th, 2016 18:16
    binary, cosx, equivalence, relation, requirement
    • Replies: 3
    • Views: 229
    August 13th, 2016, 10:30 Go to last post
  21. Equivalent dfa

    Started by evinda, August 10th, 2016 16:40
    2 Pages
    1 2
    • Replies: 16
    • Views: 509
    August 12th, 2016, 17:27 Go to last post
  22. General form of the words

    Started by evinda, August 9th, 2016 14:12
    • Replies: 2
    • Views: 266
    August 10th, 2016, 06:21 Go to last post
  23. Ice Cream : NP-complete problem

    Started by mathmari, August 8th, 2016 19:26
    cream, cups, ice, kinds, problem
    • Replies: 6
    • Views: 368
    August 9th, 2016, 18:06 Go to last post
  24. Problem with graph

    Started by mathmari, August 9th, 2016 13:42
    • Replies: 2
    • Views: 197
    August 9th, 2016, 17:20 Go to last post
  25. Unbounded logical trees (2)

    Started by Line, August 1st, 2016 16:57
    logical, logically, numbers, radix, unbounded
    • Replies: 0
    • Views: 294
    August 1st, 2016, 16:57 Go to last post
  26. Unbounded logical trees (1)

    Started by Line, August 1st, 2016 16:55
    implies, logical, tree, trees, unbounded
    • Replies: 0
    • Views: 155
    August 1st, 2016, 16:55 Go to last post
  27. k-equivalence

    Started by evinda, July 29th, 2016 10:46
    2 Pages
    1 2
    • Replies: 11
    • Views: 557
    August 1st, 2016, 16:47 Go to last post
  28. Show that HSC is NP-complete

    Started by mathmari, July 30th, 2016 04:09
    cycle, graph, hsc, problem, show
    • Replies: 1
    • Views: 217
    August 1st, 2016, 10:49 Go to last post
  29. Non-deterministic 2-tape Turing Machine

    Started by mathmari, July 29th, 2016 04:33
    $1$, $2$, machine, tape, turing
    • Replies: 1
    • Views: 179
    July 30th, 2016, 06:05 Go to last post
  30. [SOLVED] Show that the languages are undecidable

    Started by mathmari, July 29th, 2016 05:09
    $hcap, $hcup, language, languages, undecidable
    • Replies: 2
    • Views: 203
    July 29th, 2016, 17:06 Go to last post

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