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1->''"A = A"''
2-->-- ''The law of identity, the first of the three classical laws of thought''
3
4[[ExactlyWhatItSaysOnTheTin An index of tropes having to do with logic.]] As you can see, many of these {{trope}}s detail ways in which writers can [[LogicalFallacies fail at logic]]. For some reason, there aren't nearly as many about correct logic...
5
6Compare IntelligenceTropes. Contrast MadnessTropes and EmotionTropes, which frequently defy logic in various ways.
7----
8!!Tropes:
9[[index]]
10[floatboxright:
11See also:
12+ LogicalFallacies
13]
14* TwoPlusTortureMakesFive
15* ArkhamsRazor (In fiction, the oddest solution is probably correct)
16* BatDeduction
17* Catch22Dilemma (You have to do A in order to do B, but you have to do B in order to do A.)
18* ChickenAndEggParadox (A leads to B which leads to A which leads to B, but how did it start?)
19* DeducingTheSecretIdentity: (Using logic to figure out who a masked hero or villain really is.)
20* EntertaininglyWrong (When somebody is wrong, for the right reasons.)
21* FactOpinionArgument
22* FridgeLogic (Logic problems that are only noticeable when you think a bit about them)
23** [[Headscratchers/HomePage Headscratchers]]
24** PlotHole
25** VoodooShark
26* GameOfChicken
27* GivingUpOnLogic
28* IfJesusThenAliens
29* InsaneTrollLogic (When fallacies are either intentional, or they cross over into PoesLaw.)
30* JustifiedTrope (When use of a trope is made logical)
31* LiarsParadox
32* LogicBomb (Using fallacies, paradoxes, and other logical quibbles as a weapon)
33* MoonLogicPuzzle (A puzzle whose solution relies on overly narrow or unconventional interpretations of the available evidence)
34* MutuallyAssuredDestruction
35* OccamsRazor (Explanations should avoid unnecessary complications.)
36* PrisonersDilemma
37* PuffOfLogic
38* ReasoningWithGod
39* ReminderOfImpossibility
40* RightForTheWrongReasons (When you reach the correct conclusion, but by faulty logic.)
41* SherlockCanRead
42* SoCrazyItMustBeTrue
43* TheSpock
44[[/index]]

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