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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
if thereafter
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "if thereafter" is correct and usable in written English.
It can be used to indicate a condition that follows a certain event or action in time. Example: "You may proceed with the project if thereafter you submit the necessary documentation."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(1)
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
3 human-written examples
"If thereafter there are breaches of the IAAF's anti-doping rules and the wider doping code, then we will investigate them and the IOC president, Thomas Bach, earlier this week said that, if there is evidence that athletes offended and came under Olympic jurisdiction, then he will take action.
News & Media
For the same reason, the rate of decay of the EPR signal in the composite is significantly reduced after evacuation at T = 160 °C, by more than an order of magnitude, if thereafter the sample is brought in contact with the air (compare Figs. 4 and 5).
Science
Perrson and Savulescu may well be right, but we will only know that once moral enhancement has been perfected and only if thereafter bad men, madmen and idiots have ceased to commit or attempt acts of mass destruction.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
I think that if soon thereafter I got interested in movies, it was, in part, as a way of catching up fast on all the life that, to that point, I hadn't managed to lead.
News & Media
And, at least before the destruction of the Temple, if not thereafter as well, he seems to have held occasional sessions when certain ethical-philosophical questions, typical of Hellenistic-Roman popular philosophical discussion, were raised and explored.
Encyclopedias
The plan was for Street to pitch through the 13th, and Hector Santiago to enter if needed thereafter.
News & Media
The prosecution position was that, if the call to Bamber really had been the last thing the father had done before shots were fired, and if he thereafter dropped the receiver, the line to Bamber's home would have remained open for one to two minutes, and Bamber would not have been able to telephone the police immediately to let them know about his father's call, as he said he had.
Wiki
Baseline observations including temperature, oxygen saturation, respiratory and pulse rates were recorded at the time of consulting the A&E department and daily (if admitted) thereafter in all participants.
Science
CT-scan done every 2 months for the first 6 months and every 3 months (or earlier if necessary) thereafter.
Science
And he said that Britain should join EMU thereafter if, but only if, the single currency is successful and the economic case for joining is clear and unambiguous.All the government is doing is to hint that it might be inclined to make this case early in the next parliament ie, in about five years' time.
News & Media
The frequency of resistant alleles within the focus (see Figure S2): i) decreases monotonically with time and plateaus if ρ<69%; ii) declines by about 25% within the first three years and grows thereafter if ρ = 69%; or iii) grows quasi-monotonically if ρ>69%.
Science
Expert writing Tips
Best practice
Use "if thereafter" when you want to clearly establish a sequence of events where the second event is conditional on the first. It adds a formal tone and emphasizes the chronological order.
Common error
Avoid using "if thereafter" in casual conversation or informal writing. It can sound stilted or overly formal. Opt for simpler alternatives like "if afterwards" or "if subsequently" instead.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "if thereafter" functions as a conditional adverbial phrase. It modifies a clause by introducing a condition that must be met at a point in time following a specific event. This is supported by Ludwig's examples where it sets up a scenario based on a prior action.
Frequent in
Science
33%
News & Media
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "if thereafter" is a grammatically sound construction used to indicate a conditional sequence of events. Ludwig AI confirms its correct usage in written English. While not exceptionally common, it appears across various domains, including science, news, and encyclopedias. Its strength lies in clearly establishing a time-dependent condition, lending itself well to formal and technical contexts. When writing, consider whether a simpler phrase like "if subsequently" might be more appropriate for less formal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
if subsequently
Replaces "thereafter" with a more common synonym, maintaining the conditional sequence.
if afterward
Uses a simpler term than "thereafter", suitable for less formal contexts.
in the event that subsequently
Adds formality and emphasis to the conditional statement.
on the condition that afterward
Highlights the conditional aspect with a slight shift in tone.
provided that thereafter
Introduces a proviso, making the condition more explicit.
should that occur, then
Presents a more formal and somewhat literary alternative.
if and only then
Emphasizes the necessity of the preceding condition.
only if followed by
Inverts the structure for emphasis on the necessary condition.
once that happens, then
Simplifies the conditional sequence with a more casual tone.
assuming that subsequently
Focuses on the assumption underlying the conditional sequence.
FAQs
What does "if thereafter" mean?
"If thereafter" means 'if something happens after a specific event or time'. It indicates a condition that must be met following an initial occurrence.
How can I use "if thereafter" in a sentence?
You can use "if thereafter" to describe a conditional sequence of events. For example, "If the initial assessment is positive, thereafter the patient will undergo further testing."
Which is more common, "if thereafter" or "if subsequently"?
"If subsequently" is generally more common and less formal than "if thereafter". Both convey a similar meaning, but "if subsequently" is often preferred in modern writing.
What are some alternatives to "if thereafter"?
Alternatives include "if afterward", "if subsequently", or "provided that thereafter", depending on the desired level of formality and emphasis.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested