# Discrete Math Forum

Discrete Math Help Forum: Discrete mathematics, logic, set theory

1. ### Difference equation tutorial: draft of part I

• Replies: 4
• Views: 3,687
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 3,630
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,296
Jul 19th 2010, 10:33 PM
1. ### Pohlig-Hellman Cipher + Affine Hill Cipher, relatively simple (not for me!) questions

• Replies: 2
• Views: 1,064
Jan 24th 2013, 09:13 AM
2. ### cardinal numbers! proof

• Replies: 1
• Views: 536
Jan 24th 2013, 06:12 AM
3. ### First order logic! need help

• Replies: 4
• Views: 491
Jan 24th 2013, 04:14 AM
4. ### Maximum number of path for simple acyclic directed graph with start and end node

• Replies: 0
• Views: 646
Jan 22nd 2013, 05:54 PM
5. ### How to prove if all elements of [10] random in circle, sum 3 consecutive at least 18

• Replies: 1
• Views: 720
Jan 22nd 2013, 03:06 PM
6. ### Trying to understand specific condition of a set

• Replies: 4
• Views: 533
Jan 22nd 2013, 02:46 PM
7. ### cardinalities of sets

• Replies: 1
• Views: 452
Jan 21st 2013, 09:07 PM
8. ### Permutations

• Replies: 1
• Views: 443
Jan 21st 2013, 02:08 PM
9. ### graph: average of average degree of neighbours, is at least the average degree

• Replies: 0
• Views: 855
Jan 21st 2013, 12:51 AM
10. ### discrete mathmatics/fill in blank to make true statement

• Replies: 2
• Views: 845
Jan 20th 2013, 05:54 PM
11. ### Strange diophantine equation

• Replies: 2
• Views: 449
Jan 20th 2013, 03:52 AM
12. ### Looking for basic self-study direction

• Replies: 2
• Views: 567
Jan 19th 2013, 06:34 PM
13. ### Finding an equivalance class

• Replies: 21
• Views: 1,399
Jan 19th 2013, 09:06 AM
14. ### help me find the ordered pairs for (x,y)∈r if 3 divides x-y (relations)

• Replies: 10
• Views: 2,990
Jan 18th 2013, 04:04 PM
15. ### Graph Theory question: hamiltonian path ...

• Replies: 2
• Views: 668
Jan 18th 2013, 01:44 AM
16. ### Induction Ackerman function

• Replies: 1
• Views: 594
Jan 16th 2013, 02:31 PM
17. ### Functions which take two inputs??

• Replies: 2
• Views: 503
Jan 16th 2013, 05:12 AM
18. ### Getting the intersection of three sets - but very little information given!

• Replies: 2
• Views: 606
Jan 16th 2013, 03:52 AM
19. ### Pigeonhole problem

• Replies: 2
• Views: 676
Jan 16th 2013, 02:20 AM
20. ### How to prove an IFF (If and only If) statement!

• Replies: 1
• Views: 2,058
Jan 15th 2013, 07:49 AM

• Replies: 1
• Views: 703
Jan 15th 2013, 04:44 AM
22. ### calculate matrices

• Replies: 2
• Views: 802
Jan 14th 2013, 05:48 AM
23. ### First-order prefixes

• Replies: 1
• Views: 338
Jan 14th 2013, 05:47 AM
24. ### Induction on simple graphs

• Replies: 0
• Views: 416
Jan 13th 2013, 06:15 AM
25. ### Graph of class2

• Replies: 0
• Views: 274
Jan 12th 2013, 11:05 PM
26. ### Need help with induction

• Replies: 6
• Views: 425
Jan 11th 2013, 12:48 PM
27. ### Permutation

• Replies: 2
• Views: 828
Jan 11th 2013, 04:54 AM
28. ### Function assigning each subset of R sum of its elements

• Replies: 4
• Views: 580
Jan 11th 2013, 03:35 AM

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