Recent content by Magenta55

  1. M

    An example of a relation that is symmetric and anti-symmetric

    Would this example be valid in satisfying a relation that is symmetric and anti-symmetric? The relation R = {(1,1),(2,2)} on the set A = {1,2,3} Also, I'm curious to know since relations can both be neither symmetric and anti-symmetric, would R = {(1,2),(2,1),(2,3)} be an example of such a...
  2. M

    Program segment question for combinatorics

    Consider the following segment where i,j,k,n and counter are integer variables and the value of n (a positive integer) is set prior to this segment. counter := 0 for i := 1 to n do for j :=1 1 to i do for k :=1 to j do counter := counter + 1 I am so lost as to what this program is...
  3. M

    Tips for understanding elementary combinatorics

    Hi folks, can you guys share your experience and tips for understanding this subject? I find the sheer amount of problems and their novelty very difficult to reconcile. I mean I understand the definitions and theorems well and can usually apply them in straight forward cases, but the many...
  4. M

    Is learning epsilon-delta proofs before analysis a good idea

    Hello PF people. It's my first post here, but I have been lurking around this forum for awhile now. I'm currently learning differential calculus using a text by Stewart and I want to attain a better comprehension of pure mathematics. My question is: would it be a good idea to get another text...
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