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> 「……別に琴里は、狂三を軽視しろと言っているわけではない。むしろこちらからも、可能な限り彼女の援護を行うつもりだ」 「え？」
> 士道が目を丸くして琴里を見ると、琴里は大仰に肩をすくめてみせた。 「そりゃあ、ね。いくら狂三でも、DEMと正面切って総力戦 **っていうんじゃ**
> 分が悪いわ。もちろん士道が生き残るのが前提だけれど、そのあと狂三を封印できるのが最良だもの。助けられる場面で助けないような真似はしないわよ」

Context: 狂三, a girl and a 精霊, was fighting a war with an evil company called
DEM to prevent the company from killing 士道. 琴里 was going to help 狂三 because
she wanted protect 士道 too.

Could you please explain why there is a っていう before んじゃ? What is this usage? I
know のでは is a fixed grammar construction meaning “if”. But I would use
総力戦なんじゃ.
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2021-04-29T17:13:40.850
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question
grammar
Understanding っていうんじゃ
This っていう is basically just と言う, but it has a nuance here. With explanatory-
no, と言うのだ is often used to add a "this is unexpected/surprising/unwanted" kind
of mood ("to my surprise", "even", "really", "!", etc). You have asked about
this before:

  * [What does というのである mean here?](https://japanese.stackexchange.com/q/77795/5010)
  * [Is というのだ similar to "in addition"? Or it is "they said"?](https://japanese.stackexchange.com/q/80737/5010)
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2021-04-29T23:42:01.570
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answer
総力戦っていうんじゃ is a contracted form of 総力戦というのでは, and ん (の) here could be
understood as meaning 状況 (situation) or 条件 (condition). For me, this usage of
という is not much different from that in a phrase such as 狂三という少女. 総力戦という状況
means a situation that fits the description of “all-out war”. If the situation
becomes such that Kurumi will have to fight an all-out war against DEM, even
she would be at disadvantage.

総力戦なんじゃ (総力戦なのでは) is OK, but this ん (の) seems a bit out of place because the
speaker is not explaining the current situation as 総力戦なんだ. She is talking
about a future possibility. 総力戦じゃ (総力戦では) sounds more natural to me.

* * *

**[EDIT]**  
The effect of っていう (という) may be easier to explain using an example with こと
than ん (の).

総力戦っていうんじゃ in that sentence is close in meaning to 総力戦ということになれば, whereas the
equivalent expression for 総力戦じゃ would be 総力戦になれば. This reduces the difference
to that of just 総力戦 and 総力戦ということ. While the former refers to the war itself,
the latter refers to a situation or circumstance where the label 総力戦 is
fitting.
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answer