# Discrete Math Forum

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

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

• Replies: 4
• Views: 3,281
Jun 14th 2014, 02:54 AM

• Replies: 0
• Views: 3,255
Feb 11th 2011, 12:34 PM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,131
Jul 19th 2010, 11:33 PM
1. ### [SOLVED] More help with induction!

• Replies: 3
• Views: 551
May 27th 2011, 11:49 AM
2. ### Induction help

• Replies: 5
• Views: 580
May 27th 2011, 05:20 AM
3. ### help with induction

• Replies: 58
• Views: 2,224
May 26th 2011, 05:22 PM
4. ### A sum hard to calculate

• Replies: 9
• Views: 534
May 26th 2011, 02:59 PM
5. ### Combinatorics.

• Replies: 1
• Views: 324
May 26th 2011, 02:29 PM
6. ### Implies sign

• Replies: 12
• Views: 3,114
May 26th 2011, 10:03 AM
7. ### Help with questionable FOL translation and a proof based on the same principle

• Replies: 10
• Views: 556
May 26th 2011, 09:55 AM
8. ### how to write z=x^n in terms of first order peanos aritmetic?

• Replies: 1
• Views: 345
May 26th 2011, 05:03 AM
9. ### Book recommendation for beginning statement logic?

• Replies: 3
• Views: 527
May 26th 2011, 03:18 AM
10. ### Trouble with unique existance proof

• Replies: 2
• Views: 371
May 26th 2011, 12:31 AM
11. ### Sequences (Recurrence relation)

• Replies: 1
• Views: 365
May 25th 2011, 10:27 AM
12. ### The relation between two numbers

• Replies: 2
• Views: 414
May 25th 2011, 01:48 AM
13. ### Formal proof of "Law of ecxluded middle"

• Replies: 6
• Views: 8,007
May 23rd 2011, 05:05 PM
14. ### Prove that, if a is a Real Number and 0 < a< 1, then (a^2)<1

• Replies: 2
• Views: 431
May 23rd 2011, 04:06 PM
15. ### help with well ordering principle

• Replies: 17
• Views: 1,269
May 23rd 2011, 03:40 PM
16. ### Proof of Pfaff's reflection law... There is a clue but I still don't know how to.

• Replies: 2
• Views: 502
May 23rd 2011, 05:02 AM
17. ### How to construct a proof for 0x1 = 0

• Replies: 6
• Views: 1,447
May 23rd 2011, 04:17 AM
18. ### Defining a transformation function between sets

• Replies: 1
• Views: 353
May 23rd 2011, 02:37 AM
19. ### Induction

• Replies: 2
• Views: 499
May 22nd 2011, 03:27 PM
20. ### [SOLVED] Maximal Element

• Replies: 5
• Views: 776
May 22nd 2011, 10:07 AM
21. ### help finding pattern from sequence of numbers

• Replies: 1
• Views: 479
May 22nd 2011, 03:40 AM
22. ### help with sequence prefixes

• Replies: 24
• Views: 920
May 21st 2011, 07:03 PM
23. ### help showing simple induction

• Replies: 15
• Views: 855
May 21st 2011, 06:02 PM
24. ### How to write this in formal language

• Replies: 4
• Views: 731
May 21st 2011, 05:45 PM
25. ### ZFC and the foundation of mathematics

• Replies: 16
• Views: 1,775
May 21st 2011, 11:46 AM
26. ### describe algorithms determine a function from this finite set to another finite set i

• Replies: 1
• Views: 617
May 21st 2011, 05:17 AM
27. ### Sets containing unions, and vice versa

• Replies: 1
• Views: 477
May 20th 2011, 08:27 AM
28. ### [SOLVED] Proper use of Universal Instantiation

• Replies: 11
• Views: 786
May 19th 2011, 05:27 PM
29. ### Linearity of dual codes

• Replies: 0
• Views: 511
May 19th 2011, 11:04 AM

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