History Main / BatDeduction

7th Jan '18 2:08:47 PM NNinja
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* ''VisualNovel/VirtuesLastReward'': Not really a "deduction", but at one point Clover manages to remember that the medication in the injection gun is [[spoiler:Neostigmine, which counteracts Tubocurarine]], thanks to the mention of the word "unclean".
--> '''Sigma:''' Purifying the...unclean...?
--> '''Clover:''' Oh. ''Oh''! Unclean...Unclean...Unclean...Unclean...
--> '''Sigma:''' W-What? What are you doing?
--> '''Clover:''' Shut up! I'm this close to remembering! Unclean...Unclean...Clen...Een...Een...''Een''! Neostigmine!
13th Dec '17 8:37:08 AM Odacon_Spy
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* Towards the end of ''VideoGame/Yakuza0'', both Kiryu and Majima both receive coded messages from [[spoiler:[[BonusBoss the Amon Clan]]]] telling them to meet at a specific place. While Kiryu translates the message easily enough, Majima gets the code confused with baseball terminology and instead reads the message as "Just nine pitches. Come to the pitching place. Amore." Despite this, he manages to suss out the correct meeting place anyway by reasoning that 'pitching place' must mean a 'bullpen', that 'Amore' is an Italian word and Italian is kinda similar to Spanish and, finally, adding 'bullpen' and Spanish together to arrive at [[spoiler:a bullfighting arena]].

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* Towards the end of ''VideoGame/Yakuza0'', both Kiryu and Majima both receive coded messages from [[spoiler:[[BonusBoss [[BonusBoss the Amon Clan]]]] Clan]] telling them to meet at a specific place. While Kiryu translates the message easily enough, Majima gets the code confused with baseball terminology and instead reads the message as "Just nine pitches. Come to the pitching place. Amore." Despite this, this mix-up, he manages to suss out the correct meeting place anyway by reasoning reasons that 'pitching place' must mean a 'bullpen', 'bullpen' and that 'Amore' is an Italian word and Italian is kinda similar to Spanish and, finally, adding before putting 'bullpen' and Spanish 'Spanish' together to arrive at [[spoiler:a suss out the correct meeting place, a bullfighting arena]].arena, anyway.
9th Nov '17 12:19:54 PM lillolillo
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* Parodied hilariously by ''Comicbook/{{Supergirl}}'' in ''ComicBook/SupergirlCosmicAdventuresInTheEightGrade'', since she thinks that her schoolmates are expert at this. She breaks a wall by accident, and cries out that "People are going to see [this hole] and know! They'll know I'm from another planet and that my cousin is secretly Superman!"

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* Parodied hilariously by ''Comicbook/{{Supergirl}}'' in ''ComicBook/SupergirlCosmicAdventuresInTheEightGrade'', ''ComicBook/SupergirlCosmicAdventuresInThe8thGrade'', since she thinks that her schoolmates are expert at this. She breaks a wall by accident, and cries out that "People are going to see [this hole] and know! They'll know I'm from another planet and that my cousin is secretly Superman!"
13th Oct '17 6:38:26 AM AnotherDuck
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[[folder:Real Life]]
* {{Alternate Reality Game}}s often work like a combination of this and TrialAndErrorGameplay. Each clue can be extrapolated from in order to lead to the next, usually in some completely random way. For example, a set of numbers could symbolize any number of different things. Often the only way to figure out where the trail leads is to try every possibility until you find something that looks like another clue.
[[/folder]]
12th Oct '17 10:31:55 PM RGZReGZ
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** Another harsh aversion occurs in the DarkNightsMetal story arc by Scott Snyder, where in a dream, Superman heard Batman said "Carpe Diem" as they watched they Son played the Batman TV Theme, which is related to "C.D.", a code Superman and Batman had for the most dire situations - and he thinks Batman is trying get Superman to help him. As it turns out, the REAL code is in the song their son play, which actually goes DC, the reverse of Batman's secret code... a warning of not to come. Unfortunately Superman did, allowing the Evil Batmen to use Supe as a living battery.
9th Oct '17 12:35:57 AM cillianflood
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* College Humor have a sketch where 60s Batman uses Bat Logic to [[https://www.youtube.com/watch?v=-0xollWZ9Bo twist every riddle into being about the local pub]].
3rd Oct '17 1:11:41 AM ImpudentInfidel
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* ''Series/DoctorWho'': The entire eventual defeat of the mummy in "Mummy on the Orient Express" is based around the Doctor babbling through one of these in 66 seconds. He goes from knowing virtually nothing about the monster to knowing the exact word to make it go away just by ranting through his chain of logic. Somewhat downplayed in that it is more of a chain of actual logic and less InsaneTrollLogic.

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* ''Series/DoctorWho'': The entire eventual defeat of the mummy in "Mummy on the Orient Express" is based around the Doctor babbling through one of these in 66 seconds. He goes from knowing virtually nothing about the monster to knowing the exact word to make it go away just by ranting through his chain of logic. Somewhat downplayed in that it is more of a chain of actual logic and less InsaneTrollLogic. [[spoiler: He works out that the mummy is an old soldier being kept alive by malfunctioning tech that randomly assigns it targets to defend it's ancient flag; the words that make it stop are "we surrender".]]
3rd Oct '17 12:54:56 AM ImpudentInfidel
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* Subverted in ''Film/ThePrincessBride'': Vezzini uses this to "deduce" which glass contains poison ("Iocane comes from Australia, as everyone knows, and Australia is entirely peopled with criminals, and criminals are used to having people not trust them...") Arguably, he isn't actually trying to Bat-Deduce the location of the poison -- he's just trying to get a revealing reaction out of the man in black. (Either that or he's just too caught up in his own cleverness to realize that he's thinking in circles.) The real irony is that ''all'' of his Bat Deductions lead to the right answer, even though he doesn't realize it: [[spoiler:[[OutGambitted He successfully proves that he shouldn't drink from either glass]]]].

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* Subverted in ''Film/ThePrincessBride'': Vezzini uses this to "deduce" which glass contains poison ("Iocane comes from Australia, as everyone knows, and Australia is entirely peopled with criminals, and criminals are used to having people not trust them...") Arguably, he isn't actually trying to Bat-Deduce the location of the poison -- he's just trying to get a revealing reaction out of the man in black.black (which the man calls him on). (Either that or he's just too caught up in his own cleverness to realize that he's thinking in circles.) The real irony is that ''all'' of his Bat Deductions lead to the right answer, even though he doesn't realize it: [[spoiler:[[OutGambitted He successfully proves that he shouldn't drink from either glass]]]].
19th Sep '17 9:57:10 PM eldiablo555
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* This kind of logic is mocked ruthlessly in [[http://ffn.nodwick.com/?p=1466 this]] strip of ''WebComic/FullFrontalNerdity'' where Frank is trying to get the guys to play a puzzle-based rpg called "Escape the Room", which is modeled off films such as "The Cube" and "Saw". They proceed to complain about Frank's puzzle logic being so weird that not even the Adam West era Riddler would use it.
12th Sep '17 1:25:59 PM DracoKanji
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* In ''Film/{{Evolution}}'', the scientists reason that, since arsenic is poisonous to carbon-based life forms, the nitrogen-based aliens must be poisoned by selenium. How do they reach this deduction? Because arsenic is two spaces up and one space to the right on the periodic table, so this pattern should hold true for nitrogen. They do absolutely zero testing to see if it's true before employing it live.
** In all fairness an astounding number of such connections exist in reality. Moving down on the periodic table you're likely to get similar properties. Moving a pair sideways, or symmetrically to the noble gasses, and you can get similar relationships. The biggest problem is that apparently in this universe nitrogen can form similar structures to carbon without, say, boron...

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* In ''Film/{{Evolution}}'', the scientists reason that, since arsenic is poisonous to carbon-based life forms, the nitrogen-based aliens must be poisoned by selenium. How do they reach this deduction? Because arsenic is two spaces up and one space to the right on the periodic table, so this pattern should hold true for nitrogen. They do absolutely zero testing to see if it's true before employing it live. \n** In all fairness an astounding number of such connections exist in reality. Moving down on the periodic table you're likely It's also not very sound, since resistance to get similar properties. Moving a pair sideways, or symmetrically to the noble gasses, arsenic poisoning can be built up, and you can get similar relationships. The biggest problem is there are other elements that apparently in this universe nitrogen can form similar structures are more poisonous to carbon without, say, boron...carbon-based life... like selenium.
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