# Discrete Math Forum

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

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

• Replies: 4
• Views: 4,534
Jun 14th 2014, 01:54 AM
2. ### Please read before posting logic questions.

• Replies: 0
• Views: 4,426
Feb 11th 2011, 11:34 AM
3. ### List of rules used to moderate MHF - please read carefully.

• Replies: 0
• Views: 2,935
Jul 19th 2010, 10:33 PM
1. ### for which A is AC necessary to prove A X A ~A?

• Replies: 5
• Views: 713
Jul 19th 2011, 09:09 AM
2. ### logic

• Replies: 6
• Views: 527
Jul 18th 2011, 06:39 PM
3. ### set theory issue

• Replies: 2
• Views: 461
Jul 18th 2011, 08:11 AM
4. ### Sobel operator smoothing, why?

• Replies: 2
• Views: 1,120
Jul 16th 2011, 11:20 AM
5. ### number of ways to reach a sum...

• Replies: 0
• Views: 675
Jul 14th 2011, 04:30 AM
6. ### in ZFC, set of WO reals -- existence provable, ability to exhibit in V<>L unprovable?

• Replies: 5
• Views: 863
Jul 13th 2011, 09:42 PM
7. ### noob Help with Logic

• Replies: 8
• Views: 513
Jul 13th 2011, 12:26 PM
8. ### Universal senteces & bound variables

• Replies: 6
• Views: 523
Jul 13th 2011, 08:41 AM
9. ### Help with prenex normal form

• Replies: 13
• Views: 883
Jul 13th 2011, 06:31 AM
10. ### [SOLVED] Confused about logical equivalence of some statements

• Replies: 8
• Views: 670
Jul 13th 2011, 04:44 AM
11. ### models for Lebesgue measure

• Replies: 0
• Views: 459
Jul 12th 2011, 07:32 PM
12. ### [SOLVED] logic related question ...

• Replies: 41
• Views: 2,715
Jul 11th 2011, 05:28 AM
13. ### [SOLVED] another set related question ...

• Replies: 11
• Views: 705
Jul 10th 2011, 05:41 AM
14. ### [SOLVED] set related question ... need confirmation if I am doing this correct :-)

• Replies: 4
• Views: 812
Jul 10th 2011, 02:04 AM
15. ### [SOLVED] set related question -

• Replies: 4
• Views: 530
Jul 9th 2011, 03:46 AM
16. ### Need help writing the logical formulation of statements

• Replies: 1
• Views: 541
Jul 8th 2011, 05:21 AM
17. ### How to prove this (Ev1)(v1=v1)

• Replies: 7
• Views: 461
Jul 7th 2011, 08:11 AM
18. ### Help with understanding the infinity axiom in ZF

• Replies: 23
• Views: 1,583
Jul 7th 2011, 07:57 AM
19. ### [SOLVED] Understanding truth table of p --> q

• Replies: 15
• Views: 1,463
Jul 7th 2011, 07:41 AM
20. ### Question about second-order quantification

• Replies: 4
• Views: 578
Jul 7th 2011, 07:20 AM
21. ### [SOLVED] if and else statements rogether with propositionlogic

• Replies: 10
• Views: 726
Jul 7th 2011, 04:31 AM
22. ### [SOLVED] question about how to determine Tautologies, Contradictions & Contingent propositions

• Replies: 8
• Views: 1,484
Jul 6th 2011, 01:47 PM
23. ### [SOLVED] questions about elements in sets ...

• Replies: 5
• Views: 461
Jul 6th 2011, 12:47 PM
24. ### Permutation of items with a constant order subset.

• Replies: 4
• Views: 630
Jul 6th 2011, 08:50 AM
25. ### Mathematical induction: sum of odd numbers.

• Replies: 10
• Views: 2,512
Jul 6th 2011, 08:45 AM
26. ### First-order formulae for b is greater than or equal to a.

• Replies: 1
• Views: 757
Jul 5th 2011, 10:51 AM

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