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
Prove valid without using CP, AP, IP 5 183
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Dec 13, 2014
8:28 AM
By neilyankee
Dec 18, 2014
3:02 PM
By neilyankee
Stuck on Fitch Proof 0 42
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Dec 16, 2014
6:45 PM
By carissabryn
Dec 16, 2014
6:45 PM
By carissabryn
Help! Equivalence Relation, Completeness etc. 1 28
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Dec 16, 2014
8:52 AM
By jason_fdsa
Dec 16, 2014
2:44 PM
By Nagase
LPL 8.27 assistance 0 22
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Dec 15, 2014
10:43 PM
By frumpgirl
Dec 15, 2014
10:43 PM
By frumpgirl
Predicate logic translation 1 28
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Dec 15, 2014
6:49 AM
By Sifr
Dec 15, 2014
9:26 AM
By Nagase
English to symbols 0 25
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Dec 15, 2014
5:35 AM
By Sifr
Dec 15, 2014
5:35 AM
By Sifr
The correct formula 2 49
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Dec 14, 2014
8:54 AM
By chris11
Dec 15, 2014
4:50 AM
By chris11
Fitch Proof software help. 4 102
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Dec 11, 2014
1:52 AM
By thisismywar
Dec 15, 2014
1:39 AM
By thisismywar
How to come up to a conclusion by conditional and indirect? 4 70
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Dec 10, 2014
6:19 PM
By NickJam
Dec 14, 2014
4:51 PM
By Philo1965
trying to solve the Ultimate Proof 3 89
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Dec 11, 2014
8:24 PM
By mooream
Dec 12, 2014
5:19 PM
By casey33
Pove valid without using CP 7 154
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Dec 12, 2014
9:05 AM
By neilyankee
Dec 12, 2014
1:58 PM
By chadlee
Lpl 11.19 0 27
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Dec 11, 2014
1:47 PM
By LogicBear
Dec 11, 2014
1:47 PM
By LogicBear
LPL 13.8 help with universal intro/elim 1 32
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Dec 11, 2014
2:01 AM
By alikir
Dec 11, 2014
2:19 AM
By alikir
Help on Natural Deduction Proofs! 5 97
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Dec 09, 2014
2:57 AM
By mikebay
Dec 11, 2014
12:33 AM
By Sifr
Lpl 8.45 1 24
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Dec 10, 2014
12:00 AM
By lubik
Dec 10, 2014
12:11 AM
By lubik
Proving Arrow's Logic of Preferences Lemmas? 0 57
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Dec 09, 2014
10:18 PM
By Airez
Dec 09, 2014
10:18 PM
By Airez
LPL 13.42 - Help 0 32
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Dec 09, 2014
5:22 PM
By WhybeYB
Dec 09, 2014
5:22 PM
By WhybeYB
LPL 13.40 and 13.44 0 41
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Dec 09, 2014
4:48 PM
By kylejeads
Dec 09, 2014
4:48 PM
By kylejeads
Solve this tautology by direct argument. 2 41
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Dec 08, 2014
9:21 AM
By caroline1606
Dec 09, 2014
2:33 AM
By Sifr
Quantified and modal truth trees 2 33
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Dec 07, 2014
4:35 PM
By ursawarrior
Dec 08, 2014
2:31 PM
By ursawarrior
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