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Threads 301 to 330 of 773

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: 2,974
    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: 3,177
    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: 1,632
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. Isn't it a non-strict total order?

    Started by evinda, January 7th, 2015 16:10
    $omega$, defines, omega^2, order, symbolized
    • Replies: 6
    • Views: 408
    January 7th, 2015, 17:50 Go to last post
  3. The relation is trichotomous

    Started by evinda, December 10th, 2014 18:10
    2 Pages
    1 2
    $t_m=omega$, lor, omega, rightarrow, subset
    • Replies: 11
    • Views: 764
    January 7th, 2015, 17:37 Go to last post
  4. Natural numbers

    Started by evinda, January 1st, 2015 15:09
    4 Pages
    1 2 3 ... 4
    natural, numbers, rightarrow, subset, subsetneq
    • Replies: 30
    • Views: 1,536
    January 7th, 2015, 12:04 Go to last post
  5. Do we have to show that the relation is irreflexive?

    Started by evinda, January 4th, 2015 20:08
    $a$, $s$, langle, order, rangle
    • Replies: 1
    • Views: 389
    January 5th, 2015, 10:03 Go to last post
  6. We cannot define an order over all the sets

    Started by evinda, December 7th, 2014 11:45
    2 Pages
    1 2
    define, order, set, sets, subset
    • Replies: 10
    • Views: 642
    January 4th, 2015, 14:15 Go to last post
  7. Prove relations

    Started by evinda, January 1st, 2015 12:55
    $d0$, div, fraced, prove, rfloor$
    • Replies: 4
    • Views: 351
    January 3rd, 2015, 14:49 Go to last post
  8. How have we concluded that X is an inductive set?

    Started by evinda, December 6th, 2014 15:27
    concluded, inductive, rightarrow, set, subset
    • Replies: 3
    • Views: 334
    January 1st, 2015, 15:28 Go to last post
  9. Basic Set Theory - Notation

    Started by Rido12, January 1st, 2015 04:23
    $bbbr^3$, ambigious, dimension, i.e, x^2-1right$$
    • Replies: 2
    • Views: 300
    January 1st, 2015, 14:28 Go to last post
  10. There is a unique inductive set

    Started by evinda, December 5th, 2014 12:08
    2 Pages
    1 2
    • Replies: 11
    • Views: 693
    December 30th, 2014, 22:07 Go to last post
  11. Why is it ⋂ω={0} ?

    Started by evinda, December 6th, 2014 15:42
    2 Pages
    1 2
    $b=omega$, $bigcap, inductive, omega=, set
    • Replies: 13
    • Views: 703
    December 30th, 2014, 20:56 Go to last post
  12. Why does it suffice to show that X is an inductive set?

    Started by evinda, December 6th, 2014 11:45
    natural, numbers, omega, omega$, show
    • Replies: 1
    • Views: 343
    December 30th, 2014, 17:50 Go to last post
  13. Why doesn't the converse hold?

    Started by evinda, December 17th, 2014 18:39
    2 Pages
    1 2
    $$$$, $a$, $forall, converse, leq
    • Replies: 18
    • Views: 1,254
    December 24th, 2014, 17:14 Go to last post
    • Replies: 6
    • Views: 612
    December 16th, 2014, 23:09 Go to last post
  14. Why should we study logic?

    Started by Chris L T521, December 16th, 2014 12:10
    answer, logic, question
    • Replies: 1
    • Views: 520
    December 16th, 2014, 16:21 Go to last post
  15. Kind of edge

    Started by evinda, December 9th, 2014 17:56
    • Replies: 2
    • Views: 372
    December 14th, 2014, 20:51 Go to last post
  16. Strict total order

    Started by evinda, December 7th, 2014 17:47
    3 Pages
    1 2 3
    forall, order, relation, rightarrow, total
    • Replies: 22
    • Views: 1,296
    December 13th, 2014, 19:11 Go to last post
  17. Prove that A - (B U C) = (A - B) ∩ (A - C)

    Started by KOO, October 26th, 2013 00:20
    • Replies: 3
    • Views: 16,002
    December 9th, 2014, 15:11 Go to last post
  18. Cardinality

    Started by evinda, December 8th, 2014 14:54
    $f$, 7-5y^2$$, bijective, cardinality, function
    • Replies: 0
    • Views: 251
    December 8th, 2014, 14:54 Go to last post
  19. Why does the relation hold?

    Started by evinda, December 7th, 2014 08:09
    $x$, hold, mathcalpx$, rightarrow, subset
    • Replies: 6
    • Views: 491
    December 7th, 2014, 17:33 Go to last post
  20. Why does the implication hold?

    Started by evinda, December 6th, 2014 17:07
    cup, notin, proof, rightarrow, subset
    • Replies: 2
    • Views: 483
    December 6th, 2014, 18:40 Go to last post
  21. Inductive Set

    Started by evinda, December 5th, 2014 11:30
    2 Pages
    1 2
    • Replies: 14
    • Views: 735
    December 6th, 2014, 16:33 Go to last post
  22. Unbounded subset of ordinals a set?

    Started by RWood, November 30th, 2014 05:42
    • Replies: 1
    • Views: 328
    December 2nd, 2014, 04:30 Go to last post
  23. Select some particular elements to a set

    Started by baiyang11, December 1st, 2014 17:29
    set theory
    • Replies: 0
    • Views: 233
    December 1st, 2014, 17:29 Go to last post
  24. Find total cost

    Started by evinda, November 30th, 2014 10:11
    • Replies: 0
    • Views: 302
    November 30th, 2014, 10:11 Go to last post
  25. Recurrence relation

    Started by evinda, November 30th, 2014 08:38
    • Replies: 2
    • Views: 424
    November 30th, 2014, 09:37 Go to last post
  26. Show that it is the solution

    Started by mathmari, November 23rd, 2014 18:45
    • Replies: 1
    • Views: 239
    November 30th, 2014, 08:11 Go to last post
  27. Solve the recurrence

    Started by mathmari, November 29th, 2014 17:17
    • Replies: 1
    • Views: 263
    November 30th, 2014, 06:01 Go to last post
  28. Do we have to find a specific value?

    Started by evinda, November 29th, 2014 18:06
    • Replies: 0
    • Views: 210
    November 29th, 2014, 18:06 Go to last post
  29. Base case

    Started by evinda, November 29th, 2014 16:56
    • Replies: 0
    • Views: 252
    November 29th, 2014, 16:56 Go to last post
  30. Theta-notation

    Started by evinda, November 29th, 2014 11:57
    • Replies: 0
    • Views: 198
    November 29th, 2014, 11:57 Go to last post

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