Facebook Page
Twitter
RSS
+ Post New Thread
Page 11 of 27 FirstFirst ... 91011121321 ... LastLast
Threads 301 to 330 of 806

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: 3,309
    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: 3,556
    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: 1,774
    January 27th, 2012, 23:00 Go to last post
  1. Normal Thread Normal Threads

  2. Linear programming problem (simplex algorithm)

    Started by SillyBen, February 7th, 2015 18:25
    algorithm, linear, problem, question, simplex
    • Replies: 0
    • Views: 371
    February 7th, 2015, 18:25 Go to last post
  3. Definition of S_n

    Started by evinda, January 21st, 2015 20:58
    $b$, define, equinumerous, subset, text
    • Replies: 1
    • Views: 502
    January 28th, 2015, 11:29 Go to last post
  4. Why does this relation stand?

    Started by evinda, November 13th, 2014 06:43
    • Replies: 9
    • Views: 713
    January 23rd, 2015, 01:37 Go to last post
  5. Cardinality of continuous real functions

    Started by evinda, January 22nd, 2015 14:53
    continuous, functions, mathbbr, real, show
    • Replies: 5
    • Views: 543
    January 22nd, 2015, 17:15 Go to last post
  6. Prove that the operations are well-defined

    Started by evinda, January 22nd, 2015 14:19
    a_1, a_2, b_1, b_2$, show
    • Replies: 0
    • Views: 475
    January 22nd, 2015, 14:19 Go to last post
  7. Cardinality of set

    Started by evinda, January 21st, 2015 19:10
    a_n, cup, omega, sim, text
    • Replies: 1
    • Views: 419
    January 21st, 2015, 20:04 Go to last post
  8. Property of cardinal numbers

    Started by evinda, January 21st, 2015 19:25
    cardinal, cdot, numbers, p$$, prove
    • Replies: 0
    • Views: 276
    January 21st, 2015, 19:25 Go to last post
  9. [a,b) and (a,b) are equinumerous

    Started by evinda, January 20th, 2015 20:17
    $[a, equinumerous, find, thinking
    • Replies: 4
    • Views: 554
    January 21st, 2015, 17:00 Go to last post
  10. The set {0,1}^ω is not countable

    Started by evinda, January 20th, 2015 18:15
    1^omega$, infinite, omega, set
    • Replies: 3
    • Views: 588
    January 21st, 2015, 16:57 Go to last post
  11. Example - Generalized Union

    Started by evinda, January 21st, 2015 11:19
    omega, omega$, oversettext, sequence, surjective
    • Replies: 2
    • Views: 558
    January 21st, 2015, 15:36 Go to last post
  12. [SOLVED] Why do we show in this way that it is not the image of the function?

    Started by evinda, January 21st, 2015 07:35
    $f$, mathcalpa$, notin, set, show
    • Replies: 1
    • Views: 401
    January 21st, 2015, 11:24 Go to last post
  13. Prove by induction that the function is injective

    Started by evinda, January 20th, 2015 18:35
    1^omega, countable, frac2b_n3^n+1$, omega, show
    • Replies: 2
    • Views: 626
    January 21st, 2015, 06:54 Go to last post
  14. The cartesian product n x m

    Started by evinda, January 17th, 2015 21:36
    bijective, cdot, function, m=n, times
    • Replies: 5
    • Views: 873
    January 20th, 2015, 20:49 Go to last post
  15. The set of integers is countable

    Started by evinda, January 20th, 2015 14:59
    $mathbbz$, countable, langle, rangle, set
    • Replies: 5
    • Views: 699
    January 20th, 2015, 18:24 Go to last post
  16. The set UA is finite

    Started by evinda, January 20th, 2015 11:18
    $a$, $bigcup, finite, set, sets
    • Replies: 6
    • Views: 622
    January 20th, 2015, 15:24 Go to last post
  17. Could the Cartesian Product be finite?

    Started by evinda, January 18th, 2015 20:45
    countable, langle, omega, surjective, times
    • Replies: 0
    • Views: 329
    January 18th, 2015, 20:45 Go to last post
  18. The set is at most countable

    Started by evinda, January 18th, 2015 17:46
    $x$, neq, omega, proof, varnothing$
    • Replies: 0
    • Views: 431
    January 18th, 2015, 17:46 Go to last post
  19. Asymptotics

    Started by evinda, January 13th, 2015 19:40
    $forall, geq, mathbbn_0$, means, show
    • Replies: 5
    • Views: 532
    January 16th, 2015, 13:54 Go to last post
  20. How can we show that the inverse is bijective?

    Started by evinda, January 13th, 2015 14:16
    2 Pages
    1 2
    $f$, bijective, neq, omega$, show
    • Replies: 14
    • Views: 954
    January 13th, 2015, 18:26 Go to last post
  21. Each subset of the natural numbers is finite or countable

    Started by evinda, January 13th, 2015 17:36
    $x$, bounded, finite, i.e, subset
    • Replies: 0
    • Views: 336
    January 13th, 2015, 17:36 Go to last post
  22. The set is countable

    Started by evinda, January 13th, 2015 13:22
    • Replies: 4
    • Views: 528
    January 13th, 2015, 15:33 Go to last post
  23. Properties - Multiplication

    Started by evinda, January 9th, 2015 20:18
    cdot, multiplication, omega, omega$, properties
    • Replies: 4
    • Views: 540
    January 13th, 2015, 07:33 Go to last post
  24. How can we show that h is surjective?

    Started by evinda, January 13th, 2015 06:44
    $$$$, finite, injective, rightarrow
    • Replies: 0
    • Views: 375
    January 13th, 2015, 06:44 Go to last post
  25. The intervals are equinumerous

    Started by evinda, January 10th, 2015 19:09
    2 Pages
    1 2
    equinumerous, intervals, mathbbr$, show
    • Replies: 10
    • Views: 858
    January 12th, 2015, 20:13 Go to last post
  26. Properties of natural numbers

    Started by evinda, January 9th, 2015 10:38
    2 Pages
    1 2
    natural, numbers, omega, omega$, properties
    • Replies: 16
    • Views: 1,021
    January 12th, 2015, 15:16 Go to last post
  27. Constitution of real numbers

    Started by evinda, January 10th, 2015 18:13
    numbers, omega$, rational, relation, set
    • Replies: 1
    • Views: 404
    January 12th, 2015, 07:58 Go to last post
  28. The subsets of finite sets are finite sets.

    Started by evinda, January 11th, 2015 09:04
    finite, function, set, sets, show
    • Replies: 0
    • Views: 450
    January 11th, 2015, 09:04 Go to last post
  29. Constitution of integers

    Started by evinda, January 9th, 2015 20:40
    3 Pages
    1 2 3
    $langle, integers, rangle
    • Replies: 28
    • Views: 1,404
    January 10th, 2015, 17:50 Go to last post
  30. Why does it have to be Y=ω ?

    Started by evinda, January 8th, 2015 17:46
    2 Pages
    1 2
    neq, omega, omega$, subset, varnothing$
    • Replies: 18
    • Views: 954
    January 9th, 2015, 15:12 Go to last post
  31. The order I_A

    Started by evinda, December 23rd, 2014 15:04
    $a$, element, greatest, minimal, order
    • Replies: 9
    • Views: 683
    January 8th, 2015, 17:10 Go to last post

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Math Help Boards