Logic and Math Homework

Questions about specific logic and math issues. Important: You must attempt to solve the problem and show where you're lost. Do not simply post a problem without making an effort.

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Topic Title Replies Views Rating Created Last Post
How would you symbolize this? 6 39
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May 21, 2015
1:27 PM
By TheDivineFool
May 25, 2015
6:05 PM
By andrewk
Proof Without Premise help? 8 46
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May 24, 2015
10:42 PM
By venetianblue
May 25, 2015
11:07 AM
By TheDivineFool
Lpl 13.36 1 112
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May 20, 2015
12:50 PM
By Mearis
May 25, 2015
9:43 AM
By Mearis
Prove that the following are inconsistent? 3 28
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May 24, 2015
11:43 PM
By venetianblue
May 25, 2015
7:36 AM
By Owen
About reductio ad absurdum 6 70
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May 21, 2015
1:45 PM
By TheDivineFool
May 22, 2015
9:23 PM
By Timothy
Help with Logic Proofs H.W.- I'm struggling!! (1, 2) 10 316
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May 19, 2015
1:07 PM
By ohshnoop
May 20, 2015
6:37 AM
By TheDivineFool
Exercise 1.1(d) from Hughes' A new Introduction to modal logic. 1 41
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May 19, 2015
4:28 AM
By MathematicalPhysics Wizard
May 19, 2015
5:26 AM
By MathematicalPhysics Wizard
Soundness and Completeness of a limited language 3 65
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May 13, 2015
10:59 AM
By SynodOfDordt
May 15, 2015
4:12 PM
By MLP
Help with proving an argument (propositional logic) 1 53
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May 14, 2015
8:13 AM
By jedwabziel
May 14, 2015
6:11 PM
By casey33
Please help with exclusive disjunction and conditionals in predicate logic 2 52
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May 13, 2015
7:01 AM
By willej
May 13, 2015
1:54 PM
By willej
Really really need help with some issues... 0 38
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May 11, 2015
4:57 PM
By albatron
May 11, 2015
4:57 PM
By albatron
Lpl 8.46 2 83
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Dec 05, 2014
2:30 PM
By spookymulder
May 10, 2015
9:58 PM
By andrewk
I need help with constructing proofs hw 2 80
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May 04, 2015
3:41 PM
By moonkissedmonkey
May 05, 2015
12:37 AM
By TheDivineFool
How to prove this if there is only one premise given to me? 9 77
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May 03, 2015
9:31 PM
By stressed
May 04, 2015
12:51 AM
By TheDivineFool
Requesting help on Theorem 90! 2 33
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May 03, 2015
10:53 PM
By soulcalibar3
May 03, 2015
11:43 PM
By soulcalibar3
proving a given a v b if b is a contradiction (lpl 6.30) 2 77
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Apr 25, 2015
1:37 PM
By 252003
Apr 27, 2015
3:18 AM
By andrewk
Lpl 8.30 1 54
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Apr 26, 2015
3:05 AM
By Vael
Apr 27, 2015
2:48 AM
By TheDivineFool
Fitch Proof - Inner module 0 56
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Apr 25, 2015
6:34 PM
By kingchess
Apr 25, 2015
6:34 PM
By kingchess
Use the first eight rules of inference to derive the conclusions of symbolized arguments 7 156
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Feb 18, 2015
9:45 PM
By Tristan Fiore
Apr 22, 2015
10:42 PM
By casey33
Can anyone help me with one more problem? 2 64
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Apr 21, 2015
10:47 PM
By stressed
Apr 21, 2015
11:09 PM
By stressed
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