# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,571
Jun 14th 2014, 01:54 AM
2. ### Please read before posting logic questions.

• Replies: 0
• Views: 4,471
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,966
Jul 19th 2010, 10:33 PM
1. ### Empty Cartesian product implies...?

• Replies: 3
• Views: 3,859
Oct 5th 2010, 07:12 AM
2. ### Relations, reflexive and transitive

• Replies: 7
• Views: 708
Oct 5th 2010, 02:36 AM
3. ### Adjacency Matrix

• Replies: 2
• Views: 886
Oct 5th 2010, 12:22 AM
4. ### Proof by cases or "if and only if"?

• Replies: 4
• Views: 679
Oct 4th 2010, 08:22 PM
5. ### Permutation/Combination?

• Replies: 3
• Views: 1,306
Oct 4th 2010, 08:01 PM
6. ### [SOLVED] PROOF by counterexample

• Replies: 0
• Views: 783
Oct 4th 2010, 04:08 PM
7. ### Show that every denumerable set is equivalent to a proper subset of itself

• Replies: 2
• Views: 802
Oct 4th 2010, 03:53 PM
8. ### Proof by Contraposition... (and background hypothesis PLEASE HELP!)

• Replies: 1
• Views: 877
Oct 4th 2010, 01:57 PM
9. ### unique solution

• Replies: 4
• Views: 758
Oct 4th 2010, 12:49 PM
10. ### Cardinality

• Replies: 3
• Views: 448
Oct 4th 2010, 12:21 PM
11. ### set question

• Replies: 1
• Views: 349
Oct 4th 2010, 08:18 AM
12. ### Simple Set Theory Theorem

• Replies: 1
• Views: 935
Oct 3rd 2010, 12:11 PM
13. ### Proof in axiomatic system (Prop. logic)

• Replies: 3
• Views: 959
Oct 3rd 2010, 11:12 AM
14. ### Number of arrangements

• Replies: 13
• Views: 1,399
Oct 3rd 2010, 10:38 AM
15. ### Number of possible triangles

• Replies: 28
• Views: 2,372
Oct 3rd 2010, 03:19 AM
16. ### Choosing 4 cards of different suits and different values from a deck of 52 cards.

• Replies: 2
• Views: 5,271
Oct 2nd 2010, 03:09 PM
17. ### Number of Onto Function between two sets?

• Replies: 4
• Views: 6,827
Oct 2nd 2010, 02:51 PM
18. ### Solution Set Question.

• Replies: 5
• Views: 471
Oct 2nd 2010, 02:14 PM
19. ### Logical connective Question

• Replies: 2
• Views: 491
Oct 2nd 2010, 01:18 PM
20. ### Prove that a set is denumerable iff...

• Replies: 1
• Views: 1,245
Oct 2nd 2010, 11:26 AM
21. ### Prove if two sets are denumerable then their union is denumerable

• Replies: 1
• Views: 3,227
Oct 2nd 2010, 11:21 AM
22. ### 10 random points

• Replies: 7
• Views: 859
Oct 2nd 2010, 04:51 AM
23. ### discrete mathematics

• Replies: 1
• Views: 766
Oct 1st 2010, 05:39 PM
24. ### [SOLVED] Prove this

• Replies: 6
• Views: 399
Oct 1st 2010, 12:44 PM
25. ### subsets

• Replies: 1
• Views: 504
Oct 1st 2010, 09:52 AM
26. ### [SOLVED] Not Functionally Complete

• Replies: 1
• Views: 1,803
Oct 1st 2010, 08:33 AM
27. ### Cumulative hierarchy

• Replies: 0
• Views: 335
Oct 1st 2010, 04:27 AM
28. ### Postage Stamp Problem - Maximum amount of stamps

• Replies: 2
• Views: 2,049
Oct 1st 2010, 12:53 AM
29. ### Help with the final step of a proof (valid argument)

• Replies: 2
• Views: 439
Sep 30th 2010, 10:12 PM

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