Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
it is so when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is so when" is not commonly used in written English and may sound awkward or unclear.
It could be used in contexts where you want to indicate a condition or situation that is true under specific circumstances. Example: "It is so when the conditions are met that we can proceed with the project."
News & Media
Science
Wiki
Alternative expressions(20)
it is during that time that
it is then however
it fails then when
it is afterward when
it is then during
it is consequently when
at that point
it is later when
it is then why
it is then where
it is therefore when
it is then after
it is at that moment that
only then
it is only when that
it is there when
it is then well
it is then and
it is then when
that is when
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
I HAD heard Spadaro was a small restaurant (and with only 38 seats, it is), so when we got stuck in traffic and were late for a Saturday reservation, I called with some trepidation.
News & Media
But I know it is so when I see winter pansies, who most certainly smile.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
It was so when John F. Kennedy ran for president, and it is so for Mitt Romney.
News & Media
Although the concept of a gift may not at first seem to fit well with free-market capitalism, it might be so when it is thought of in the context of collaborating with others to build common commodity-like infrastructure.
Therefore, (35) is not necessarily worse than (21), though it will be so when source correlation is high.
It is so heartening when people drop in their cash".
News & Media
It is so depressing when you look at the Conservatives.
News & Media
It is so satisfying when you see how it has changed people's lives.
News & Media
That is why it is so impressive when teams do repeat as NFL champions.
News & Media
And it is so lovely when a man gives you a compliment.
News & Media
"It is so satisfying when you hit that ball – and sweet.
News & Media
Expert writing Tips
Best practice
Use "it is so when" sparingly, primarily in informal contexts or when aiming for a specific stylistic effect. Overuse can make your writing sound stilted or unnatural.
Common error
Avoid using "it is so when" in academic papers, business reports, or other professional documents. Opt for more direct and formal alternatives to maintain a polished and credible tone.
Source & Trust
88%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is so when" functions as a conditional connector, indicating that a certain state or condition is valid or true under specific circumstances. As pointed out by Ludwig AI, the phrase isn't very frequent in written English and could be deemed awkward or unclear.
Frequent in
News & Media
60%
Science
20%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "it is so when" functions as a conditional connector, indicating that a statement is true under specific conditions. While grammatically acceptable, Ludwig AI notes that it can sound awkward, and as such, it is more fitting for informal contexts. More formal alternatives like "it is true when" or "this applies when" are often preferable. The usage analysis reveals that it appears more frequently in news and media, with less common usage in formal business or academic settings. Therefore, consider the context and audience when deciding whether to use this phrase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is true when
Replaces "so" with "true" to emphasize the veracity of a statement under certain conditions.
it is the case when
Uses "the case" instead of "so" for a slightly more formal tone.
it holds true when
Emphasizes the validity or applicability of a statement under specific conditions.
it applies when
Focuses on the applicability of a rule or principle under certain circumstances.
it is valid when
Indicates that something is legitimate or correct under specific circumstances.
it is right when
Emphasizes the correctness of an action or decision under certain conditions.
it is appropriate when
Highlights the suitability of something under specific circumstances.
it is accurate when
Focuses on the factual correctness of a statement under specific conditions.
it's like that when
An informal way of expressing a typical or expected situation under certain conditions.
that's how it is when
A colloquial expression indicating acceptance of a situation under specific conditions.
FAQs
What does "it is so when" mean?
The phrase "it is so when" indicates that a statement or condition holds true under specific circumstances. It's a way of expressing conditionality.
What are some alternatives to "it is so when"?
Alternatives include "it is true when", "it is the case when", or "it applies when", which may offer greater clarity and conciseness.
Is "it is so when" grammatically correct?
Yes, "it is so when" is grammatically acceptable, but it can sound somewhat awkward or old-fashioned in modern English. Consider using more common and direct alternatives for better clarity.
In what contexts is "it is so when" most appropriate?
The phrase might be suitable in informal conversation or creative writing where a slightly unusual or stylized tone is desired. However, it's generally best to avoid it in formal or professional writing.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
3.5/5
Expert rating
Real-world application tested