# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,567
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,467
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,963
Jul 19th 2010, 10:33 PM
1. ### prove using set algebra

• Replies: 3
• Views: 300
Jul 9th 2014, 11:19 AM
2. ### reflexive, not symmetric but transitive

• Replies: 8
• Views: 706
Jul 9th 2014, 09:53 AM
3. ### equivalence question

• Replies: 4
• Views: 264
Jul 9th 2014, 09:52 AM
4. ### Equivalence relation

• Replies: 2
• Views: 246
Jul 9th 2014, 07:07 AM
5. ### combinatoric question

• Replies: 0
• Views: 208
Jul 9th 2014, 07:00 AM
6. ### Set Difference

• Replies: 2
• Views: 276
Jul 8th 2014, 07:16 PM
7. ### Prove without the use of set algebra

• Replies: 2
• Views: 354
Jul 8th 2014, 05:19 PM
8. ### induction for sum = 2^(n+2)+2

• Replies: 3
• Views: 341
Jul 8th 2014, 01:02 AM
9. ### relation question

• Replies: 2
• Views: 225
Jul 7th 2014, 06:10 PM
10. ### prove using induction...

• Replies: 4
• Views: 475
Jul 7th 2014, 04:23 PM
11. ### Proof by contradiction #2

• Replies: 2
• Views: 379
Jul 7th 2014, 01:35 PM
12. ### more contrapositive

• Replies: 3
• Views: 377
Jul 6th 2014, 06:06 PM
13. ### Prove the following statement: If r3 is irrational, then r is irrational. disprove

• Replies: 4
• Views: 4,981
Jul 6th 2014, 05:49 PM
14. ### Finding Simpler Equivalent Sets and Proving Their Equivalence

• Replies: 1
• Views: 380
Jul 5th 2014, 05:23 PM
15. ### Empty Set vs. Set Containing Empty Set

• Replies: 4
• Views: 719
Jul 5th 2014, 12:14 PM

• Replies: 6
• Views: 324
Jul 4th 2014, 07:25 AM
17. ### show (m + dk) mod d = m mod d

• Replies: 6
• Views: 1,433
Jul 2nd 2014, 11:44 PM
18. ### Prove that for all integers n, n^2 - n + 3 is odd

• Replies: 8
• Views: 831
Jul 2nd 2014, 08:36 PM
19. ### proof by contrapositive

• Replies: 1
• Views: 263
Jul 2nd 2014, 08:26 PM
20. ### for all integers a,b,and c if a|bc then a|b or a|c

• Replies: 4
• Views: 752
Jul 2nd 2014, 06:48 AM
21. ### polynomial if one solution is rational prove the other is rational

• Replies: 3
• Views: 658
Jul 1st 2014, 09:21 PM
22. ### if an integer divisible by 16 is a sufficient condition to be divisible by 8...

• Replies: 3
• Views: 2,748
Jul 1st 2014, 07:36 PM
23. ### prove that for any nonnegative integer n, if the sum of the digits is divisible by 3

• Replies: 2
• Views: 2,865
Jul 1st 2014, 05:53 PM
24. ### prove or disprove: The difference of the squares of any two consecutive integers is

• Replies: 3
• Views: 3,588
Jul 1st 2014, 05:18 PM
25. ### COMPOSITION Function Proof

• Replies: 2
• Views: 290
Jul 1st 2014, 03:58 PM
26. ### The Product of Two Even Funcitions is An Even Function Proof

• Replies: 6
• Views: 3,868
Jul 1st 2014, 09:56 AM
27. ### Combinations and permutation question help

• Replies: 3
• Views: 285
Jul 1st 2014, 04:46 AM
28. ### Reccurence relation

• Replies: 1
• Views: 308
Jun 30th 2014, 03:15 PM
29. ### Combintations Question

• Replies: 1
• Views: 243
Jun 29th 2014, 06:20 PM

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