# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,575
Jun 14th 2014, 01:54 AM

• Replies: 0
• Views: 4,474
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,969
Jul 19th 2010, 10:33 PM
1. ### Re: Big O problem 2

• Replies: 1
• Views: 1,252
Oct 17th 2013, 09:22 AM
2. ### Big O problem

• Replies: 5
• Views: 1,026
Oct 16th 2013, 07:49 PM
3. ### Existence of a multiplicative inverse

• Replies: 2
• Views: 486
Oct 15th 2013, 04:55 PM
4. ### help with cantor diagonalization

• Replies: 1
• Views: 642
Oct 14th 2013, 01:28 PM
5. ### Propositional Logic challenge (university level)

• Replies: 1
• Views: 612
Oct 13th 2013, 05:07 PM
6. ### Convert boolean expression into SOP and POS algebraically

• Replies: 3
• Views: 1,286
Oct 13th 2013, 04:35 PM
7. ### Proof by induction, 2^k-1 +1 = k+1

• Replies: 5
• Views: 878
Oct 13th 2013, 10:51 AM
8. ### Prove that 2|(n^4 - 3) if and only if 4|(n^2+3)

• Replies: 5
• Views: 761
Oct 11th 2013, 06:12 AM
9. ### Proving espilon > x in S

• Replies: 8
• Views: 801
Oct 10th 2013, 07:02 PM
10. ### Maximum, minimum, infimum, and supremum help!

• Replies: 2
• Views: 914
Oct 10th 2013, 05:20 PM
11. ### rationals and union of intervals that covers it

• Replies: 5
• Views: 830
Oct 9th 2013, 10:55 AM
12. ### Prove that if a|b and b|a, then a=b or a=-b

• Replies: 3
• Views: 511
Oct 8th 2013, 06:10 PM
13. ### Prove that if xy is odd, then x and y are odd. Proof by cases

• Replies: 13
• Views: 6,174
Oct 7th 2013, 05:05 PM
14. ### Establish this logical equivalence, where x does not occur as a free variable in A.

• Replies: 5
• Views: 3,640
Oct 7th 2013, 11:35 AM
15. ### Find Transitive Closure

• Replies: 1
• Views: 785
Oct 7th 2013, 03:35 AM
16. ### Show that if A and B are sets with A ⊆ B, then A ∪ B = B.

• Replies: 4
• Views: 8,500
Oct 6th 2013, 04:48 PM
17. ### Bijection question

• Replies: 5
• Views: 779
Oct 6th 2013, 11:44 AM
18. ### big O witnesses

• Replies: 3
• Views: 1,059
Oct 6th 2013, 06:45 AM
19. ### big o

• Replies: 1
• Views: 309
Oct 5th 2013, 07:34 AM
20. ### wheel grAPH

• Replies: 1
• Views: 740
Oct 5th 2013, 07:31 AM
21. ### relation

• Replies: 1
• Views: 394
Oct 5th 2013, 07:26 AM
22. ### Want to know an intuitive but valid way of making metric sets

• Replies: 2
• Views: 385
Oct 4th 2013, 11:11 AM
23. ### Composite Functions

• Replies: 1
• Views: 822
Oct 3rd 2013, 02:18 AM
24. ### Prove that 2n^2 + n is odd if and only if cos(npi/2) is even

• Replies: 3
• Views: 2,650
Oct 2nd 2013, 04:28 PM
25. ### How to disprove that all numbers A1,A2,A3, A4....An are less than their average?

• Replies: 3
• Views: 519
Oct 2nd 2013, 02:53 PM
26. ### Help proving NAND gate is equaivalent to an OR gate

• Replies: 4
• Views: 463
Oct 1st 2013, 09:39 PM
27. ### Using First DeMorgan's Law to Derive the Second

• Replies: 5
• Views: 6,879
Oct 1st 2013, 04:45 PM

,

,

,

,

,

# "discrete"

Click on a term to search for related topics.

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.