# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,140
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,061
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,592
Jul 19th 2010, 10:33 PM
1. ### Prepositional logic, truth tables and Venn diagrams

• Replies: 5
• Views: 3,698
Mar 28th 2009, 09:44 AM
2. ### Proving divisibility question using contradiction

• Replies: 7
• Views: 3,431
Mar 27th 2009, 11:00 PM
3. ### deducind index's help

• Replies: 0
• Views: 722
Mar 27th 2009, 09:32 AM
4. ### How can I prove that this propositional logic statement a tautology is?

• Replies: 1
• Views: 1,492
Mar 27th 2009, 06:43 AM
5. ### Discrete Math, Pigeon Hole Principle/Sum of Elements of Subsets

• Replies: 4
• Views: 1,456
Mar 26th 2009, 03:10 PM
6. ### Proving set theories

• Replies: 1
• Views: 1,759
Mar 26th 2009, 11:57 AM
7. ### Possibilities? (I don't remember the exact word)

• Replies: 3
• Views: 805
Mar 26th 2009, 11:05 AM
8. ### [SOLVED] Proof of Propositions

• Replies: 1
• Views: 727
Mar 26th 2009, 03:15 AM
9. ### Help!: Consider two functions f: X ->Y and g: Y->X where X and Y are two finite sets.

• Replies: 1
• Views: 607
Mar 25th 2009, 10:09 PM
10. ### [SOLVED] Proving Combinations

• Replies: 1
• Views: 508
Mar 25th 2009, 02:55 PM
11. ### Symmetric group

• Replies: 0
• Views: 577
Mar 25th 2009, 12:05 PM
12. ### Groups

• Replies: 4
• Views: 464
Mar 25th 2009, 11:46 AM
13. ### How to prove

• Replies: 1
• Views: 490
Mar 25th 2009, 11:06 AM
14. ### Proving Logical equivalence

• Replies: 2
• Views: 714
Mar 25th 2009, 10:35 AM
15. ### Need help to clarify

• Replies: 0
• Views: 504
Mar 25th 2009, 02:48 AM

• Replies: 3
• Views: 754
Mar 25th 2009, 01:44 AM
17. ### Quick Combinatorics Question.

• Replies: 1
• Views: 769
Mar 25th 2009, 12:43 AM
18. ### Show that A(1,n) = 2^n whenever n greater than or equal to 1

• Replies: 10
• Views: 4,808
Mar 24th 2009, 11:11 PM
19. ### Weird (difficult) proof

• Replies: 4
• Views: 866
Mar 24th 2009, 09:21 PM
20. ### is n^n O(2^n)?

• Replies: 2
• Views: 686
Mar 24th 2009, 03:05 PM
21. ### Induction n^2 > 2n for n>2

• Replies: 3
• Views: 669
Mar 24th 2009, 12:57 PM
22. ### Fuction help.

• Replies: 0
• Views: 721
Mar 24th 2009, 08:28 AM
23. ### Help Please?? Show that A(1, n) = 2^(n) whenever n >= 1?

• Replies: 7
• Views: 1,082
Mar 24th 2009, 06:07 AM
24. ### Find the reversal of the following bit strings: 0101 ...

• Replies: 1
• Views: 6,074
Mar 24th 2009, 05:23 AM
25. ### Proofs involving composite numbers

• Replies: 5
• Views: 594
Mar 23rd 2009, 09:54 PM
26. ### Negating implications

• Replies: 1
• Views: 756
Mar 23rd 2009, 09:32 PM
27. ### partition for each equivalence relation

• Replies: 5
• Views: 880
Mar 23rd 2009, 07:18 PM
28. ### Show that the set S defined by 1 Element S... HELP!

• Replies: 4
• Views: 1,520
Mar 23rd 2009, 06:18 PM
29. ### i am stuck

• Replies: 1
• Views: 413
Mar 23rd 2009, 03:58 PM

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