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Tag: prove

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  1. Prove that if L is regular, then L^R is regular

    Started by Julio, January 4th, 2020 14:59
    mhb, problem, prove, regular, win
    • Replies: 1
    • Views: 560
    Last Post: January 8th, 2020 13:35
    by Evgeny.Makarov  Go to last post
  2. [ASK} Prove

    Started by Monoxdifly, November 29th, 2019 22:14
    back, expression, prove, square, [ask
    • Replies: 2
    • Views: 519
    Last Post: December 1st, 2019 23:39
    by Monoxdifly  Go to last post

    Forum:
    Trigonometry

  3. Prove statements about metric

    Started by mathmari, November 5th, 2019 20:00
    $a$, $xin, closed, prove, xin
    • Replies: 8
    • Views: 573
    Last Post: November 9th, 2019 11:23
    by mathmari  Go to last post

    Forum:
    Analysis

  4. [SOLVED] Prove the statements : Vectors/Matrices

    Started by mathmari, October 26th, 2019 06:35
    $m_2mathbbr$, bcdot, beginpmatrixa, multiplication, prove
    • Replies: 5
    • Views: 483
    Last Post: October 28th, 2019 16:39
    by Evgeny.Makarov  Go to last post
  5. Characteristics of rings

    Started by fredpeterson57, October 16th, 2019 00:05
    characteristic, domain, integral, prove, ring
    • Replies: 1
    • Views: 550
    Last Post: October 16th, 2019 15:51
    by Opalg  Go to last post
  6. Question for Intermediate Analysis (Please Help!)

    Started by AutGuy98, October 7th, 2019 15:46
    asks, countable, function, prove, set
    • Replies: 1
    • Views: 358
    Last Post: October 7th, 2019 17:29
    by Evgeny.Makarov  Go to last post

    Forum:
    Analysis

  7. Multiple consists of only 6's and 7's

    Started by Klaas van Aarsen, September 12th, 2019 06:01
    2 Pages
    1 2
    consists, end, instance, multiple, prove
    • Replies: 11
    • Views: 1,429
    Last Post: September 16th, 2019 05:45
    by Satya  Go to last post
  8. Multiple consists of only 1's

    Started by Klaas van Aarsen, September 11th, 2019 07:27
    consists, ends, instance, multiple, prove
    • Replies: 4
    • Views: 658
    Last Post: September 12th, 2019 10:23
    by Klaas van Aarsen  Go to last post
    • Replies: 1
    • Views: 292
    Last Post: September 12th, 2019 04:33
    by castor28  Go to last post

    Forum:
    Analysis

  9. How to prove the equality?

    Started by Sara jj, September 9th, 2019 05:58
    a_1setminus, a_i$, a_i=, equality, prove
    • Replies: 1
    • Views: 376
    Last Post: September 9th, 2019 06:57
    by Cbarker1  Go to last post
  10. Probability challenge

    Started by lfdahl, August 3rd, 2019 15:06
    flipped, penny, probability, prove, times
    • Replies: 4
    • Views: 664
    Last Post: August 15th, 2019 16:54
    by steep  Go to last post
  11. Problem Of The Week #378 Aug 7th, 2019

    Started by anemone, August 7th, 2019 11:15
    $a+bc+d$, potw, prove, remember, sin
    • Replies: 1
    • Views: 518
    Last Post: August 15th, 2019 11:00
    by anemone  Go to last post
  12. Operations on sets

    Started by Yankel, July 13th, 2019 15:57
    b=bcap, case, operations, prove, sets
    • Replies: 2
    • Views: 405
    Last Post: July 13th, 2019 20:52
    by HallsofIvy  Go to last post
  13. Problem Of The Week #373 Jul 4th, 2019

    Started by anemone, July 4th, 2019 11:09
    $ab+cd$, potw, prime, problem, prove
    • Replies: 1
    • Views: 463
    Last Post: July 9th, 2019 11:31
    by anemone  Go to last post
  14. Finding Cluster Points/Accumulation Points

    Started by brooklysuse, June 26th, 2019 23:22
    cluster, point, points, prove, set
    • Replies: 2
    • Views: 450
    Last Post: June 28th, 2019 12:03
    by Opalg  Go to last post

    Forum:
    Analysis

  15. prove identity

    Started by guinessvolley, May 15th, 2019 12:44
    identity, list, prove, sinx+cosx/secx+cscx=, sinxcosx
    • Replies: 1
    • Views: 430
    Last Post: May 15th, 2019 12:54
    by MarkFL  Go to last post

    Forum:
    Trigonometry

  16. Intro to Logic (prove sequents)

    Started by kk12, May 8th, 2019 18:33
    ∀xfx, ∃xfx, prove, sequent, xfx
    • Replies: 1
    • Views: 345
    Last Post: May 9th, 2019 13:38
    by Evgeny.Makarov  Go to last post
  17. Integral Over Unit Sphere of Inner Product

    Started by joypav, April 20th, 2019 11:31
    integral, problem, product, prove, r^n$
    • Replies: 0
    • Views: 479
    Last Post: April 20th, 2019 11:31
    by joypav  Go to last post

    Forum:
    Analysis

  18. Normal Subgroups Problem

    Started by Cbarker1, April 12th, 2019 11:35
    normal, problem, prove, subgroup, subgroups
    • Replies: 2
    • Views: 470
    Last Post: April 12th, 2019 16:10
    by Olinguito  Go to last post
  19. Advanced Trig Identity Problem v2

    Started by Wild ownz al, April 7th, 2019 01:06
    advanced, identity, problem, prove, trig
    • Replies: 4
    • Views: 816
    Last Post: April 7th, 2019 15:31
    by Olinguito  Go to last post

    Forum:
    Trigonometry

  20. Advanced Trig Identity Problem

    Started by Wild ownz al, April 7th, 2019 00:12
    advanced, figure, hours, prove, spent
    • Replies: 1
    • Views: 520
    Last Post: April 7th, 2019 00:42
    by kaliprasad  Go to last post

    Forum:
    Trigonometry

  21. Prove the inequality

    Started by lfdahl, March 28th, 2019 15:25
    $$fraca^3-c^33, equality, inequality, numbers, prove
    • Replies: 3
    • Views: 528
    Last Post: March 31st, 2019 13:42
    by lfdahl  Go to last post
  22. Prove the binomial identity

    Started by lfdahl, March 23rd, 2019 13:45
    $$sum_j=0^n-1^jn, binomial, choose, identity, prove
    • Replies: 3
    • Views: 1,328
    Last Post: March 24th, 2019 14:56
    by lfdahl  Go to last post
  23. Integer divisible by 2019

    Started by lfdahl, March 12th, 2019 17:33
    $2019$, 2019, divisible, integer, prove
    • Replies: 2
    • Views: 562
    Last Post: March 13th, 2019 09:34
    by lfdahl  Go to last post
  24. Unsolved Challenge
    Challenge question on equilateral triangle

    Started by anemone, February 24th, 2019 02:01
    $angle, challenge, equilateral, prove, triangle
    • Replies: 5
    • Views: 661
    Last Post: February 25th, 2019 12:01
    by Wilmer  Go to last post
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