# Discrete Math Forum

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

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

• Replies: 4
• Views: 3,696
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 3,649
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,304
Jul 19th 2010, 10:33 PM
1. ### Limit of sum of factorials/beta functions

• Replies: 1
• Views: 906
Oct 12th 2008, 02:18 PM
2. ### cardianlity

• Replies: 9
• Views: 603
Oct 12th 2008, 12:45 PM
3. ### Countability

• Replies: 3
• Views: 634
Oct 12th 2008, 06:26 AM
4. ### Irrationals Dense in R

• Replies: 2
• Views: 1,988
Oct 12th 2008, 03:16 AM
5. ### [SOLVED] I need help proving that the cross product of 2 countable sets is countable.

• Replies: 11
• Views: 4,787
Oct 11th 2008, 06:49 PM
6. ### [SOLVED] Transitivity in set relations

• Replies: 11
• Views: 745
Oct 11th 2008, 04:48 PM
7. ### Element-wise proof of sets

• Replies: 1
• Views: 3,049
Oct 11th 2008, 02:37 PM
8. ### Existential Instantiation

• Replies: 3
• Views: 600
Oct 11th 2008, 02:30 PM
9. ### [SOLVED] Uncountable: A is a countable subset of an uncountable set X, prove X \ A un

• Replies: 4
• Views: 1,311
Oct 11th 2008, 01:42 PM
10. ### Finding the Converse & Contrapositive of a Statement

• Replies: 8
• Views: 1,061
Oct 11th 2008, 01:00 PM
11. ### mapping question

• Replies: 2
• Views: 515
Oct 11th 2008, 07:02 AM
12. ### Modulo calculation and Euclid's algorithm

• Replies: 6
• Views: 1,248
Oct 11th 2008, 02:41 AM
13. ### supremum proof in predicate calculus

• Replies: 2
• Views: 609
Oct 10th 2008, 06:46 PM

• Replies: 1
• Views: 500
Oct 10th 2008, 05:19 AM
15. ### How to excel in Dicrete Mathematics ?

• Replies: 0
• Views: 678
Oct 10th 2008, 04:57 AM
16. ### Big O Proof

• Replies: 2
• Views: 1,452
Oct 10th 2008, 03:35 AM
17. ### q-ary code proof using spheres

• Replies: 4
• Views: 517
Oct 9th 2008, 04:52 PM
18. ### Prime Number Proof

• Replies: 4
• Views: 610
Oct 9th 2008, 12:22 PM
19. ### recurrence relations

• Replies: 5
• Views: 2,131
Oct 9th 2008, 11:33 AM
20. ### Coding theory question

• Replies: 3
• Views: 571
Oct 8th 2008, 06:26 PM
21. ### Suppes' Logic of Identity Exercise Question

• Replies: 5
• Views: 981
Oct 8th 2008, 06:02 PM
22. ### Iternation definition

• Replies: 1
• Views: 681
Oct 8th 2008, 02:03 AM
23. ### countable rational endpoints proof

• Replies: 4
• Views: 4,134
Oct 7th 2008, 11:19 PM
24. ### Unions, intersections, complements, venn

• Replies: 2
• Views: 750
Oct 7th 2008, 10:13 PM
25. ### De Morgan's second law

• Replies: 2
• Views: 1,807
Oct 7th 2008, 12:29 PM
26. ### Intersection, Union, and Compliment of sets

• Replies: 4
• Views: 1,934
Oct 7th 2008, 09:34 AM
27. ### Horner's Method

• Replies: 3
• Views: 1,207
Oct 7th 2008, 09:16 AM
28. ### predicate logic proofs

• Replies: 1
• Views: 520
Oct 7th 2008, 12:18 AM

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