# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,731
Jun 14th 2014, 01:54 AM
2. ### Please read before posting logic questions.

• Replies: 0
• Views: 4,618
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 3,096
Jul 19th 2010, 10:33 PM
1. ### Proof using inference and equivalence rules

• Replies: 2
• Views: 235
Jun 24th 2014, 07:15 PM
2. ### Proof by contrapositive...

• Replies: 3
• Views: 299
Jun 24th 2014, 06:37 PM
3. ### Easy doubt on second-order logic

• Replies: 1
• Views: 350
Jun 24th 2014, 05:07 PM
4. ### What is the converse of this?

• Replies: 1
• Views: 466
Jun 24th 2014, 09:47 AM
5. ### Solve without the use of truth tables

• Replies: 14
• Views: 786
Jun 24th 2014, 09:14 AM
6. ### Linear congruences

• Replies: 5
• Views: 376
Jun 22nd 2014, 05:00 PM
7. ### Arguments: order of premises and conclusion

• Replies: 6
• Views: 2,629
Jun 21st 2014, 11:51 AM
8. ### Indirect Proof question

• Replies: 2
• Views: 462
Jun 21st 2014, 04:29 AM
9. ### Express usuing quantifiers

• Replies: 1
• Views: 504
Jun 16th 2014, 07:22 AM
10. ### testing

• Replies: 0
• Views: 291
Jun 15th 2014, 08:43 PM
11. ### Reflexive, Symmetric, Transitive Relation Proof

• Replies: 14
• Views: 1,405
Jun 14th 2014, 08:05 PM
12. ### How many ways you can make change for an amount N !

• Replies: 3
• Views: 1,138
Jun 14th 2014, 08:48 AM
13. ### "x divides y" proof

• Replies: 1
• Views: 1,431
Jun 13th 2014, 09:17 PM
14. ### Simple Symmetric/Transitive Proofs

• Replies: 1
• Views: 262
Jun 13th 2014, 07:27 PM
15. ### unique substrings

• Replies: 3
• Views: 679
Jun 11th 2014, 12:50 PM
16. ### Counting

• Replies: 5
• Views: 364
Jun 8th 2014, 08:43 AM
17. ### Simple Irrational Number Proof

• Replies: 5
• Views: 687
Jun 7th 2014, 09:02 PM
18. ### Rearrangements of the string

• Replies: 5
• Views: 680
Jun 6th 2014, 04:05 PM
19. ### Boolean Algebra: How to identify the simplified expression?

• Replies: 0
• Views: 317
Jun 5th 2014, 12:10 PM
20. ### numbers

• Replies: 8
• Views: 491
Jun 5th 2014, 09:32 AM
21. ### Finding number of operations

• Replies: 1
• Views: 886
Jun 5th 2014, 07:10 AM
22. ### phylosophy problem - proveing strategy

• Replies: 2
• Views: 559
Jun 3rd 2014, 10:23 AM
23. ### GCD of two really large numbers

• Replies: 5
• Views: 472
May 31st 2014, 11:25 AM
24. ### probability.

• Replies: 6
• Views: 419
May 31st 2014, 12:42 AM

• Replies: 3
• Views: 493
May 29th 2014, 09:37 PM
26. ### Disproving "There exists a smallest number greater than 1."

• Replies: 1
• Views: 460
May 29th 2014, 03:09 PM
27. ### Proof by cases example

• Replies: 2
• Views: 451
May 29th 2014, 02:30 PM
28. ### Does a Euler Circuit have to be a connected graph?

• Replies: 2
• Views: 345
May 29th 2014, 12:29 PM
29. ### Proof using Induction

• Replies: 1
• Views: 343
May 28th 2014, 10:51 PM

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