# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,529
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,423
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,932
Jul 19th 2010, 10:33 PM
1. ### Equal power sets -> Equal sets?

• Replies: 6
• Views: 6,712
Jul 5th 2012, 09:23 AM
2. ### Predicate Logic to prove equality of math formula

• Replies: 1
• Views: 1,052
Jul 3rd 2012, 03:37 AM
3. ### Size of the intersection set

• Replies: 3
• Views: 807
Jul 2nd 2012, 10:58 PM
4. ### Understanding the role of empty sets when calculating set difference

• Replies: 2
• Views: 690
Jul 1st 2012, 05:10 AM
5. ### sum operator

• Replies: 1
• Views: 663
Jun 30th 2012, 02:27 AM
6. ### Equal powers sets in ZF theory

• Replies: 5
• Views: 885
Jun 29th 2012, 03:45 PM
7. ### A few simple exercies I need someone to explain to me how to do them.

• Replies: 8
• Views: 971
Jun 24th 2012, 01:45 PM
8. ### special set of permutations

• Replies: 9
• Views: 892
Jun 22nd 2012, 09:25 PM
9. ### Unwanted ringing in low-pass Butterworth filter.

• Replies: 1
• Views: 868
Jun 20th 2012, 07:00 AM
10. ### Digraph and linked list

• Replies: 1
• Views: 1,832
Jun 17th 2012, 02:20 PM
11. ### Permutation Problem involving letters

• Replies: 3
• Views: 665
Jun 17th 2012, 08:04 AM
12. ### binary operation on a set

• Replies: 5
• Views: 1,173
Jun 16th 2012, 09:12 PM
13. ### Creating groupings over a predefined population while avoiding small intersections

• Replies: 3
• Views: 591
Jun 15th 2012, 05:50 AM
14. ### Finding the truth value

• Replies: 6
• Views: 1,358
Jun 15th 2012, 01:49 AM
15. ### Relation of eight bit strings

• Replies: 3
• Views: 1,318
Jun 14th 2012, 07:33 AM
16. ### Is this set open?

• Replies: 5
• Views: 625
Jun 13th 2012, 03:37 PM
17. ### Counting Regions on a Torus

• Replies: 0
• Views: 398
Jun 11th 2012, 08:37 AM
18. ### constructing truth tables for 3 valued logic help

• Replies: 9
• Views: 1,964
Jun 8th 2012, 06:58 AM
19. ### Godel's Incompleteness Theorem, Definability, Representability and Minimal Theories

• Replies: 3
• Views: 893
Jun 7th 2012, 06:58 AM
20. ### Prove there exists two strings

• Replies: 3
• Views: 1,060
Jun 7th 2012, 04:10 AM
21. ### Intuition/Logic for Sum of Arctangent Problem

• Replies: 0
• Views: 738
Jun 6th 2012, 10:11 AM
22. ### chessboard problem with rooks

• Replies: 1
• Views: 986
Jun 5th 2012, 04:37 PM
23. ### Convexity of a Set

• Replies: 7
• Views: 754
Jun 5th 2012, 01:17 PM
24. ### convert regular expression in NFA then in DFA

• Replies: 3
• Views: 1,551
Jun 5th 2012, 07:45 AM
25. ### sum involving binomials

• Replies: 2
• Views: 586
Jun 5th 2012, 05:33 AM
26. ### combinatorics (numbers whose digits add up)

• Replies: 1
• Views: 796
May 31st 2012, 07:16 AM
27. ### Relation between smooth manifolds and discrete math

• Replies: 1
• Views: 449
May 30th 2012, 12:22 PM
28. ### Equivalence relations help

• Replies: 5
• Views: 486
May 30th 2012, 12:14 PM

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