Discrete Math Forum

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

1. Difference equation tutorial: draft of part I

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• Views: 3,766
Jun 14th 2014, 01:54 AM

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• Views: 3,713
Feb 11th 2011, 11:34 AM
3. List of rules used to moderate MHF - please read carefully.

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• Views: 2,339
Jul 19th 2010, 10:33 PM
1. How to prove that the genus of a graph is less than the crossing number?

• Replies: 0
• Views: 332
Mar 1st 2014, 01:45 PM
2. Finding a graph with chromatic number of 4

• Replies: 0
• Views: 472
Mar 1st 2014, 01:44 PM
3. Subtraction of cardinality of a set and its subset

• Replies: 2
• Views: 438
Feb 28th 2014, 04:54 AM
4. Finding subsets based off of given sets

• Replies: 5
• Views: 344
Feb 27th 2014, 06:35 AM
5. Help with functions given 2 sets

• Replies: 4
• Views: 318
Feb 26th 2014, 12:32 PM
6. Proving pigeonhole principle involving cardinality of finite sets

• Replies: 1
• Views: 505
Feb 26th 2014, 05:37 AM
7. Number of k-subsets of an n-set, no pair of consecutive integers

• Replies: 1
• Views: 663
Feb 25th 2014, 04:44 AM
8. Graph coloring/labeling

• Replies: 0
• Views: 250
Feb 23rd 2014, 11:05 PM
9. RSA encryption and decryption

• Replies: 4
• Views: 908
Feb 23rd 2014, 05:31 PM
10. proof of admissibilty of the Cut-Rule by induction + subinduction

• Replies: 2
• Views: 309
Feb 23rd 2014, 03:20 AM
11. Linear Progamming

• Replies: 2
• Views: 461
Feb 20th 2014, 02:20 AM
12. How to solve these questions?

• Replies: 4
• Views: 548
Feb 15th 2014, 04:05 AM
13. Connected plane graph

• Replies: 1
• Views: 293
Feb 12th 2014, 06:45 PM
14. Discrete math problem with counting

• Replies: 2
• Views: 363
Feb 10th 2014, 06:07 AM
15. Showing a compuond proposition is a tautology using logical equivalences

• Replies: 3
• Views: 385
Feb 4th 2014, 08:24 PM
16. Complement graph not planar

• Replies: 1
• Views: 303
Feb 4th 2014, 01:42 AM
17. Mathematical Induction

• Replies: 10
• Views: 359
Feb 3rd 2014, 01:31 PM
18. need help with discrete math problems

• Replies: 1
• Views: 450
Jan 27th 2014, 01:01 AM
19. Proof by induction (Doubling interest rate more than doubles principle appreciation)

• Replies: 2
• Views: 263
Jan 25th 2014, 03:38 PM
20. Logic and deduction

• Replies: 3
• Views: 216
Jan 22nd 2014, 07:26 PM
21. Product of set proof

• Replies: 0
• Views: 186
Jan 22nd 2014, 05:12 PM
22. zero divides zero...?

• Replies: 3
• Views: 762
Jan 21st 2014, 05:49 AM
23. Karnaugh Map Problem (Logic)

• Replies: 2
• Views: 728
Jan 18th 2014, 05:44 AM
24. Proposition equivalence

• Replies: 8
• Views: 3,382
Jan 15th 2014, 04:24 PM
25. Negating a logical statement (basic)

• Replies: 1
• Views: 413
Jan 14th 2014, 03:25 PM
26. Transformation Matrix, finding out B S,T and B T,S

• Replies: 6
• Views: 607
Jan 14th 2014, 12:11 PM

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prove a function tonne reflexive symmetric and transitive

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