# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,130
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,051
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,589
Jul 19th 2010, 10:33 PM

• Replies: 4
• Views: 1,539
Oct 13th 2008, 12:48 PM
2. ### Indicator Function Question

• Replies: 3
• Views: 952
Oct 13th 2008, 11:25 AM
3. ### [SOLVED] Finally in LaTex: Pre-images and indexed set.

• Replies: 2
• Views: 1,001
Oct 13th 2008, 07:10 AM
4. ### Limit of sum of factorials/beta functions

• Replies: 1
• Views: 1,094
Oct 12th 2008, 02:18 PM
5. ### cardianlity

• Replies: 9
• Views: 654
Oct 12th 2008, 12:45 PM
6. ### Countability

• Replies: 3
• Views: 778
Oct 12th 2008, 06:26 AM
7. ### Irrationals Dense in R

• Replies: 2
• Views: 2,033
Oct 12th 2008, 03:16 AM
8. ### [SOLVED] I need help proving that the cross product of 2 countable sets is countable.

• Replies: 11
• Views: 5,728
Oct 11th 2008, 06:49 PM
9. ### [SOLVED] Transitivity in set relations

• Replies: 11
• Views: 798
Oct 11th 2008, 04:48 PM
10. ### Element-wise proof of sets

• Replies: 1
• Views: 3,394
Oct 11th 2008, 02:37 PM
11. ### Existential Instantiation

• Replies: 3
• Views: 648
Oct 11th 2008, 02:30 PM
12. ### [SOLVED] Uncountable: A is a countable subset of an uncountable set X, prove X \ A un

• Replies: 4
• Views: 1,491
Oct 11th 2008, 01:42 PM
13. ### Finding the Converse & Contrapositive of a Statement

• Replies: 8
• Views: 1,100
Oct 11th 2008, 01:00 PM
14. ### mapping question

• Replies: 2
• Views: 558
Oct 11th 2008, 07:02 AM
15. ### Modulo calculation and Euclid's algorithm

• Replies: 6
• Views: 1,294
Oct 11th 2008, 02:41 AM
16. ### supremum proof in predicate calculus

• Replies: 2
• Views: 636
Oct 10th 2008, 06:46 PM

• Replies: 1
• Views: 526
Oct 10th 2008, 05:19 AM
18. ### How to excel in Dicrete Mathematics ?

• Replies: 0
• Views: 710
Oct 10th 2008, 04:57 AM
19. ### Big O Proof

• Replies: 2
• Views: 1,475
Oct 10th 2008, 03:35 AM
20. ### q-ary code proof using spheres

• Replies: 4
• Views: 552
Oct 9th 2008, 04:52 PM
21. ### Prime Number Proof

• Replies: 4
• Views: 636
Oct 9th 2008, 12:22 PM
22. ### recurrence relations

• Replies: 5
• Views: 2,227
Oct 9th 2008, 11:33 AM
23. ### Coding theory question

• Replies: 3
• Views: 626
Oct 8th 2008, 06:26 PM
24. ### Suppes' Logic of Identity Exercise Question

• Replies: 5
• Views: 1,019
Oct 8th 2008, 06:02 PM
25. ### Iternation definition

• Replies: 1
• Views: 754
Oct 8th 2008, 02:03 AM
26. ### countable rational endpoints proof

• Replies: 4
• Views: 4,427
Oct 7th 2008, 11:19 PM
27. ### Unions, intersections, complements, venn

• Replies: 2
• Views: 862
Oct 7th 2008, 10:13 PM

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