# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,542
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,432
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,941
Jul 19th 2010, 10:33 PM
1. ### Find the number of elements in the set P(A:B)={X∈P(A) l B⊆X}.

• Replies: 8
• Views: 543
Dec 16th 2015, 09:36 AM
2. ### How many zero divisors in a ring

• Replies: 0
• Views: 318
Dec 16th 2015, 08:29 AM
3. ### Simple mathematical induction

• Replies: 3
• Views: 296
Dec 13th 2015, 04:33 PM
4. ### Mathematical Induction Proof w/ maximum of a function

• Replies: 4
• Views: 407
Dec 13th 2015, 01:31 PM
5. ### Sum of binomial coefficients multiplied by k^2

• Replies: 5
• Views: 353
Dec 8th 2015, 03:53 PM
6. ### Recurrence relation problem

• Replies: 5
• Views: 522
Dec 6th 2015, 03:00 PM
7. ### prove 17^200 - 1 is divisible by 10

• Replies: 1
• Views: 322
Dec 6th 2015, 12:17 PM
8. ### Help with discrete math problem

• Replies: 2
• Views: 274
Dec 5th 2015, 06:03 PM
9. ### Define the relation R on the set A = {1,7,21,35,36} as: (a, b) ∈ R if GCD(a,b) > 1

• Replies: 6
• Views: 809
Dec 5th 2015, 03:22 PM
10. ### How many solutions are there?

• Replies: 6
• Views: 444
Dec 3rd 2015, 03:49 PM
11. ### Generating function

• Replies: 9
• Views: 516
Dec 3rd 2015, 07:05 AM
12. ### Need starting out tips for 3 questions involving "sets"

• Replies: 2
• Views: 381
Dec 1st 2015, 05:34 PM
13. ### Is there a certain pattern for Kleene closure of a language?

• Replies: 0
• Views: 245
Dec 1st 2015, 07:17 AM
14. ### Need two questions involving "sets" explained to me

• Replies: 6
• Views: 444
Nov 29th 2015, 05:10 PM
15. ### proof: pair up people from different sets; no pair from same set

• Replies: 6
• Views: 500
Nov 26th 2015, 10:14 AM
16. ### Can i change the order of quantifiers in this case?

• Replies: 2
• Views: 337
Nov 24th 2015, 08:28 AM
17. ### a deck of cards, inclusion-exclusion problem

• Replies: 11
• Views: 1,052
Nov 24th 2015, 07:34 AM
18. ### another Inclusion-Exclusion problem

• Replies: 4
• Views: 352
Nov 24th 2015, 04:02 AM
19. ### Bolean algebra truth table nand gate

• Replies: 7
• Views: 335
Nov 24th 2015, 03:53 AM
20. ### Binary Relations

• Replies: 2
• Views: 310
Nov 23rd 2015, 06:31 AM
21. ### Transitive law in proving p → q ≡ ~q → ~p by deductive reasoning.

• Replies: 3
• Views: 644
Nov 22nd 2015, 08:31 AM
22. ### Need help solving symbolic logic proble

• Replies: 0
• Views: 256
Nov 20th 2015, 09:49 AM
23. ### How many ways to seat people at 3 circle tables?

• Replies: 1
• Views: 346
Nov 18th 2015, 05:45 PM
24. ### Finding a recurrence formula for strings of numbers, thanks

• Replies: 10
• Views: 384
Nov 18th 2015, 04:29 PM
25. ### Proof : Let M be a symmetric positive stochastic matrix. Show that M + I is positive

• Replies: 1
• Views: 583
Nov 18th 2015, 01:53 PM
26. ### Finding a cycle decomposition of a graph that has cycles

• Replies: 0
• Views: 202
Nov 17th 2015, 12:47 PM

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