# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,563
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,463
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,959
Jul 19th 2010, 10:33 PM
1. ### Construct a formal proof of validity for each argument.

• Replies: 0
• Views: 374
Sep 8th 2015, 10:11 PM
2. ### Construct a formal proof of validity for each argument.

• Replies: 0
• Views: 330
Sep 8th 2015, 06:39 AM
3. ### [SOLVED] Show that an argument is invalid

• Replies: 2
• Views: 353
Sep 1st 2015, 05:26 AM
4. ### True or False?: If n is an integer, n/n+1 is not an integer

• Replies: 3
• Views: 833
Aug 30th 2015, 12:22 PM
5. ### Prove the following statement

• Replies: 2
• Views: 309
Aug 30th 2015, 09:59 AM
6. ### Proof problems by using the rules of replacement

• Replies: 16
• Views: 3,294
Aug 29th 2015, 05:13 PM
7. ### Prove x˛ + y˛ = 0 implies (x = 0 and y = 0)

• Replies: 2
• Views: 1,036
Aug 29th 2015, 12:01 PM
8. ### Problem with logic simplification

• Replies: 2
• Views: 345
Aug 28th 2015, 10:13 AM
9. ### Set theory; subsets

• Replies: 6
• Views: 535
Aug 26th 2015, 04:03 AM
10. ### Two proofs that I'm unsure about

• Replies: 9
• Views: 498
Aug 16th 2015, 11:09 AM
11. ### Functions and relations

• Replies: 4
• Views: 426
Jul 30th 2015, 03:15 PM
12. ### Solving a recursion formula

• Replies: 4
• Views: 462
Jul 25th 2015, 06:17 PM
13. ### Injections Surjections and Bijections

• Replies: 1
• Views: 408
Jul 24th 2015, 12:11 PM
14. ### deterministic dynamic programming

• Replies: 0
• Views: 437
Jul 23rd 2015, 07:52 AM
15. ### combination

• Replies: 1
• Views: 363
Jul 14th 2015, 12:31 AM
16. ### Strict inequality to inequality.

• Replies: 6
• Views: 888
Jul 12th 2015, 03:10 PM
17. ### Group axioms

• Replies: 13
• Views: 705
Jul 4th 2015, 06:53 AM
18. ### Prefix(Polish) Notation to Infix Notation

• Replies: 5
• Views: 772
Jun 30th 2015, 10:23 PM
19. ### Prove that the map is closed

• Replies: 5
• Views: 704
Jun 12th 2015, 03:13 PM
20. ### graph question

• Replies: 1
• Views: 397
Jun 9th 2015, 09:27 AM
21. ### Z-Transform

• Replies: 2
• Views: 378
Jun 3rd 2015, 03:42 AM
22. ### Finding a number

• Replies: 3
• Views: 502
Jun 3rd 2015, 01:38 AM
23. ### Divisible by 8

• Replies: 7
• Views: 748
Jun 2nd 2015, 12:54 PM
24. ### NP-complete Proof

• Replies: 0
• Views: 452
May 27th 2015, 09:02 PM
25. ### Counting question

• Replies: 8
• Views: 627
May 25th 2015, 10:06 PM
26. ### Verifying predical logic questions

• Replies: 1
• Views: 748
May 25th 2015, 05:36 AM
27. ### graph question

• Replies: 1
• Views: 373
May 24th 2015, 05:41 AM

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