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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: 3,071
    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: 3,313
    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: 1,680
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. 7 nodes

    Started by jmprada, September 6th, 2016 06:33
    communicate, phone, share, solutions, students
    • Replies: 2
    • Views: 274
    September 6th, 2016, 11:44 Go to last post
  3. Proving Functions

    Started by JProgrammer, August 21st, 2016 20:47
    function, functions, prove, proving, x^2
    • Replies: 7
    • Views: 404
    August 26th, 2016, 14:02 Go to last post
  4. Proving Countable Infinity

    Started by JProgrammer, August 24th, 2016 18:58
    countably, infinite, number, odd, prove
    • Replies: 4
    • Views: 358
    August 25th, 2016, 10:53 Go to last post
  5. Graph Labelng

    Started by student, August 25th, 2016 04:51
    appreciated, cordial, graphs, labeling, thesis
    • Replies: 0
    • Views: 160
    August 25th, 2016, 04:51 Go to last post
  6. Pigeon Hole Theory

    Started by JProgrammer, August 24th, 2016 19:06
    blue, number, pigeon, socks, theory
    • Replies: 1
    • Views: 285
    August 24th, 2016, 19:15 Go to last post
  7. The problem {x ∣ Tx(x)=1} is undecidable

    Started by mathmari, August 19th, 2016 17:01
    $b$, construct, function, problem, undecidable
    • Replies: 5
    • Views: 315
    August 21st, 2016, 06:00 Go to last post
  8. Travelling Salesman Problem

    Started by mathmari, August 9th, 2016 15:17
    • Replies: 2
    • Views: 235
    August 20th, 2016, 05:39 Go to last post
  9. [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: 612
    August 19th, 2016, 17:03 Go to last post
  10. Proving a Function Theorem

    Started by JProgrammer, August 17th, 2016 22:26
    function, g∘f, part, prove, proven
    • Replies: 4
    • Views: 303
    August 18th, 2016, 20:40 Go to last post
  11. F o G definition

    Started by JProgrammer, August 18th, 2016 19:57
    definition
    • Replies: 1
    • Views: 157
    August 18th, 2016, 20:33 Go to last post
  12. F^-1 definition

    Started by JProgrammer, August 17th, 2016 22:34
    definition, f^-1, sets
    • Replies: 2
    • Views: 190
    August 18th, 2016, 13:50 Go to last post
  13. 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: 692
    August 17th, 2016, 14:20 Go to last post
  14. Describe the Turing machine

    Started by mathmari, August 11th, 2016 18:20
    $n$, length, machine, subword, turing
    • Replies: 1
    • Views: 175
    August 13th, 2016, 18:10 Go to last post
  15. Binary Relations

    Started by JProgrammer, August 12th, 2016 18:16
    binary, cosx, equivalence, relation, requirement
    • Replies: 3
    • Views: 216
    August 13th, 2016, 10:30 Go to last post
  16. Equivalent dfa

    Started by evinda, August 10th, 2016 16:40
    2 Pages
    1 2
    • Replies: 16
    • Views: 487
    August 12th, 2016, 17:27 Go to last post
  17. General form of the words

    Started by evinda, August 9th, 2016 14:12
    • Replies: 2
    • Views: 250
    August 10th, 2016, 06:21 Go to last post
  18. Ice Cream : NP-complete problem

    Started by mathmari, August 8th, 2016 19:26
    cream, cups, ice, kinds, problem
    • Replies: 6
    • Views: 353
    August 9th, 2016, 18:06 Go to last post
  19. Problem with graph

    Started by mathmari, August 9th, 2016 13:42
    • Replies: 2
    • Views: 185
    August 9th, 2016, 17:20 Go to last post
  20. Unbounded logical trees (2)

    Started by Line, August 1st, 2016 16:57
    logical, logically, numbers, radix, unbounded
    • Replies: 0
    • Views: 271
    August 1st, 2016, 16:57 Go to last post
  21. Unbounded logical trees (1)

    Started by Line, August 1st, 2016 16:55
    implies, logical, tree, trees, unbounded
    • Replies: 0
    • Views: 145
    August 1st, 2016, 16:55 Go to last post
  22. k-equivalence

    Started by evinda, July 29th, 2016 10:46
    2 Pages
    1 2
    • Replies: 11
    • Views: 527
    August 1st, 2016, 16:47 Go to last post
  23. Show that HSC is NP-complete

    Started by mathmari, July 30th, 2016 04:09
    cycle, graph, hsc, problem, show
    • Replies: 1
    • Views: 197
    August 1st, 2016, 10:49 Go to last post
  24. Non-deterministic 2-tape Turing Machine

    Started by mathmari, July 29th, 2016 04:33
    $1$, $2$, machine, tape, turing
    • Replies: 1
    • Views: 170
    July 30th, 2016, 06:05 Go to last post
  25. [SOLVED] Show that the languages are undecidable

    Started by mathmari, July 29th, 2016 05:09
    $hcap, $hcup, language, languages, undecidable
    • Replies: 2
    • Views: 194
    July 29th, 2016, 17:06 Go to last post
  26. Language of grammar

    Started by evinda, July 26th, 2016 13:21
    3 Pages
    1 2 3
    alpha, dots, grammar, text, theta
    • Replies: 24
    • Views: 842
    July 29th, 2016, 04:47 Go to last post
  27. Optimal TSP-Tour

    Started by mathmari, July 26th, 2016 12:07
    • Replies: 4
    • Views: 295
    July 27th, 2016, 17:55 Go to last post
  28. Venn diagram and table word problem Help!

    Started by bke0712, July 24th, 2016 11:01
    • Replies: 1
    • Views: 225
    July 24th, 2016, 20:22 Go to last post
  29. NFA without ε-moves

    Started by evinda, July 21st, 2016 15:19
    2 Pages
    1 2
    • Replies: 12
    • Views: 448
    July 24th, 2016, 17:28 Go to last post
  30. Logic: Reductio Ad Absurdem Assumption

    Started by mathewslauren, May 12th, 2016 22:55
    2 Pages
    1 2
    absurdem, assume, front, reductio, valid
    • Replies: 12
    • Views: 687
    July 19th, 2016, 06:53 Go to last post

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