# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,567
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,467
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,963
Jul 19th 2010, 10:33 PM
1. ### is there a function that is a member of its domain?

• Replies: 12
• Views: 1,007
Jul 16th 2010, 10:38 AM
2. ### Prove recurrence relation equals sum of permutations

• Replies: 2
• Views: 679
Jul 16th 2010, 09:00 AM
3. ### Sets: Direct Proof

• Replies: 4
• Views: 718
Jul 16th 2010, 05:38 AM
4. ### [SOLVED] Exists Bijection to a Disjoint Set

• Replies: 17
• Views: 1,155
Jul 15th 2010, 04:00 PM
5. ### Proving equality of sets, is my working correct?

• Replies: 5
• Views: 542
Jul 15th 2010, 09:33 AM
6. ### summation and mathematical induction

• Replies: 2
• Views: 479
Jul 15th 2010, 08:32 AM
7. ### set problem

• Replies: 4
• Views: 623
Jul 15th 2010, 07:42 AM
8. ### Linear Recurrence Relations.

• Replies: 4
• Views: 488
Jul 14th 2010, 06:31 PM
9. ### Justify S(n,n-1)= nC2

• Replies: 2
• Views: 1,686
Jul 14th 2010, 06:05 PM
10. ### Prove that the binomial coefficient is always a natural number?

• Replies: 2
• Views: 1,315
Jul 14th 2010, 02:16 PM
11. ### combination problem

• Replies: 1
• Views: 409
Jul 13th 2010, 11:40 PM
12. ### Combinatorical proof

• Replies: 3
• Views: 435
Jul 13th 2010, 08:59 PM
13. ### Tautologies

• Replies: 2
• Views: 692
Jul 13th 2010, 01:26 PM
14. ### Can someone check my logic (sentential logic)

• Replies: 4
• Views: 1,263
Jul 13th 2010, 03:30 AM
15. ### Probability of a special arrangement?

• Replies: 0
• Views: 496
Jul 12th 2010, 01:41 AM
16. ### [SOLVED] A logic question!!

• Replies: 6
• Views: 692
Jul 11th 2010, 02:05 PM
17. ### Why permutation ?

• Replies: 1
• Views: 926
Jul 11th 2010, 11:27 AM
18. ### Counting problem

• Replies: 3
• Views: 826
Jul 11th 2010, 06:47 AM
19. ### How to find total number of possible arrangemnet in described way

• Replies: 0
• Views: 415
Jul 11th 2010, 05:18 AM
20. ### Number of combinations C(k,n) having max x interval between consecutive elements

• Replies: 7
• Views: 945
Jul 10th 2010, 09:42 PM
21. ### a problem about set theory

• Replies: 5
• Views: 550
Jul 10th 2010, 09:29 AM
22. ### permutation help

• Replies: 12
• Views: 971
Jul 9th 2010, 02:37 PM
23. ### Proof of a trig relation using induction

• Replies: 2
• Views: 1,217
Jul 9th 2010, 09:07 AM
24. ### Should I use permutation or combination in here?

• Replies: 2
• Views: 749
Jul 8th 2010, 06:36 PM
25. ### Permutations Help

• Replies: 0
• Views: 410
Jul 8th 2010, 04:10 PM
26. ### DNA permutations and combinations

• Replies: 2
• Views: 4,780
Jul 8th 2010, 02:45 PM
27. ### Rule of Replacement

• Replies: 5
• Views: 873
Jul 8th 2010, 12:34 PM
28. ### Combination and Permutation problem

• Replies: 0
• Views: 798
Jul 8th 2010, 10:54 AM
29. ### Sets

• Replies: 5
• Views: 480
Jul 8th 2010, 08:50 AM
30. ### Showing that a square has largest area

• Replies: 8
• Views: 731
Jul 7th 2010, 10:27 PM

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