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I'm trying to get clarification on how to use these three pieces of grammar
and whether or not they all hold some kind of "Because" meaning.
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2011-12-17T03:50:01.487
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2011-12-19T06:14:42.607
2011-12-17T04:41:43.097
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question
grammar word-choice usage
What is the difference between なぜなら、だから、and なので？
They can be used to express the entailment `B → A`, but they are syntactically
different.

**Conjunctions**

  * `から` 'because'. Attaches to an **indicative** from of a clause. **Can** appear in a focus position.

> B から A。  
>  'A because B'
>
> A のは B からだ。  
>  'It is because B that A'

  * `ので` 'because'. Attaches to the **attributive** form of a clause. **Cannot** appear in a focus position.

> B ので A。  
>  'A because B'
>
> × A のは B のでだ。  
>  'It is because B that A'

**Adverbials**

  * `なぜなら` 'that is because'. Initiates a sentece, and concords with `からだ`.

> A。なぜなら、B からだ。  
>  A. That is because B.

  * `だから`, `なので` (colloquial) 'therefore'. Initiates a sentence.

> B。だから/なので、A。  
>  B. Therefore, A.

I feel that there is a subtle difference in meaning. The following may not be
strictly followed, but is a tendency that I think holds.

  * conjunction から, adverbial なので tend to be used for **subjective/humane** reasoning.

> あのラーメン屋は人を待たせるから、行かないことにした。  
>  あのラーメン屋は人を待たせる。なので、行かないことにした。  
>  'Since that ramen shop makes the customer wait, I decided (from my own
> will) that I will not go there anymore.'

  * conjunction ので, adverbial なぜなら, だから tend to be used for **objective/logical** reasoning.

> あのラーメン屋は人を待たせるので、行かないことにした。  
>  あのラーメン屋は人を待たせる。だから、行かないことにした。  
>  'That ramen shop makes the customer wait. Therefore, it follows that I
> decide that I will not go there anymore.'
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2011-12-17T04:14:26.157
4023
2011-12-19T06:14:42.607
2011-12-19T06:14:42.607
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answer
なぜなら(ば) is used in formal written Japanese. It brings strong focus on the
reason.

> X。なぜなら、 **Y** 。(" **Y** is the reason for X")

It can be paraphrased using から or ので (can be used in both spoken and written
Japanese):

> YからX。
>
> YのでX。

The difference between `から` and `ので` is that `ので` indicates objective
causality. This means that `ので` cannot be used for a command, request,
suggestion, invitation or opinion.

* * *

The だ in だから:

It's used when it is in sentence-initial position. Or when a noun precedes から
and is expressed as a cause rather than a place of origin.

* * *

The な in なので:

It's the attributive form that allows nouns to be connected.

> [Noun]だ
>
> [Noun]なので
>
> [Noun]だので (Incorrect)
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2011-12-17T04:19:17.793
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2011-12-17T04:28:27.337
2020-06-17T08:18:27.500
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answer