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
Is this a valid argument? 3 88
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Jun 06, 2015
12:06 PM
By kata23
Jun 07, 2015
1:10 AM
By SIR2U
Polish Notation 2 91
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Jun 05, 2015
8:06 PM
By seans1116
Jun 05, 2015
8:57 PM
By seans1116
Is this proof legitimate? 7 84
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May 30, 2015
3:58 AM
By N S Ross
May 30, 2015
2:36 PM
By TheDivineFool
Really need help with LPL - chapter 2 2 303
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May 27, 2015
12:14 AM
By amy0809
May 28, 2015
11:31 PM
By amy0809
How would you symbolize this? 7 78
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May 21, 2015
1:27 PM
By TheDivineFool
May 25, 2015
8:38 PM
By Timothy
Proof Without Premise help? 8 186
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May 24, 2015
10:42 PM
By venetianblue
May 25, 2015
11:07 AM
By TheDivineFool
Lpl 13.36 1 293
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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? 3 203
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May 24, 2015
11:43 PM
By venetianblue
May 25, 2015
7:36 AM
By Owen
About reductio ad absurdum 6 156
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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) 10 382
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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 67
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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 3 151
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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 83
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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 64
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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 48
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May 11, 2015
4:57 PM
By albatron
May 11, 2015
4:57 PM
By albatron
Lpl 8.46 2 266
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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 2 150
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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 91
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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 45
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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) 2 481
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Apr 25, 2015
1:37 PM
By 252003
Apr 27, 2015
3:18 AM
By andrewk
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