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
both sources indicate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "both sources indicate" is correct and usable in written English.
You can use it when referring to two different sources that provide similar information or findings on a particular topic. Example: "Both sources indicate that climate change is accelerating at an unprecedented rate."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(13)
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
1 human-written examples
In contrast, for respondents for whom both sources indicate employment, only 2.3% of the employment was in child care.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Figure 7 shows the temporal volume changes of both sources, indicating that the magma beneath Aira caldera (solid curve) accumulated more rapidly between 2003 and 2006, than after 2007. Figure 2(a) shows a change in the trend in the middle of 2006, corresponding to decelerated magma accumulation beneath Aira caldera after the middle of 2006.
Science
The WebCT tracking data correlated well with the questionnaire data regarding student use of podcasts with both sources indicating that all the pharmacology podcasts were accessed by the students, although the profile of access differed.
Science
It is also a period when both Inuit and non-Inuit sources indicate that a process of "filling-in" was [End Page 8] occurring, particularly in the central portion of the region.
Academia
Most sources indicate that he was 75.
News & Media
Sources indicate that the thrust of the federal effort is aimed at Rafael Perez.
News & Media
Sources indicate that BAE believes the ball is in the MoD's court on this.
News & Media
"Sources indicate that the next venue might be Richmond, but might be also back south".
News & Media
Judge-led inquiry 6 July: No 10 sources indicate a judge may not be necessary.
News & Media
Several sources indicate the haplogroup H as the most frequent in Europe.
Science & Research
Sources indicate that Kushner was a prominent voice behind the firing.
News & Media
Expert writing Tips
Best practice
Use "both sources indicate" to show agreement or confirmation of a fact or trend derived from two distinct and credible sources. This strengthens your argument by providing multiple points of validation.
Common error
Avoid using "both sources indicate" when you have access to a larger pool of sources. This phrasing might suggest you haven't conducted a comprehensive review of available information, weakening your analysis.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "both sources indicate" functions as a reporting verb phrase, used to introduce information or findings that are supported by two distinct sources. Ludwig AI confirms that this phrase is suitable for demonstrating corroboration. Examples from Ludwig show it used to highlight agreement between data sets or expert opinions.
Frequent in
Science
33%
News & Media
33%
Academia
33%
Less common in
Encyclopedias
0%
Wiki
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "both sources indicate" is a grammatically correct and acceptable way to show agreement between two independent sources. While not extremely common, it is used in various contexts, including science, news, and academic writing. As Ludwig AI suggests, it is most effectively employed to bolster claims by referencing corroborating evidence. Using this phrase can enhance the credibility of your writing by demonstrating that your information is supported by multiple, reliable sources. Remember to avoid overusing the phrase when more sources are available, potentially weakening your argument.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
both sources suggest
Replaces "indicate" with "suggest", implying a less definitive conclusion.
both sources confirm
Replaces "indicate" with "confirm" for a stronger assertion of accuracy.
both sources point to
Uses "point to" instead of "indicate", suggesting a direction or tendency.
the sources concur
Employs "concur" for a more formal tone, emphasizing agreement.
the sources align
Uses "align" to suggest a harmonious agreement between the sources.
sources corroborate
Substitutes "corroborate", highlighting the strengthening of evidence.
sources are in agreement
Rephrases to emphasize the state of agreement among the sources.
evidence from both sources suggests
Adds "evidence from" to emphasize the basis of the indication.
all sources reviewed reveal
Suggests a comprehensive review and emphasizes the revealing aspect.
multiple sources reveal
Highlights that several sources independently arrive at similar conclusion.
FAQs
How can I use "both sources indicate" in a sentence?
You can use "both sources indicate" to show agreement between two different sources about a specific point. For example, "Both sources indicate that the company's profits have increased this quarter".
What are some alternatives to "both sources indicate"?
Alternatives include "both sources suggest", "the sources concur", or "sources corroborate", depending on the level of certainty you want to convey.
Is it better to say "both sources indicate" or "both sources suggest"?
"Both sources indicate" implies a stronger level of certainty than "both sources suggest". Use "indicate" when the evidence is clear and direct; use "suggest" when the evidence is more indirect or tentative.
When is it appropriate to use the phrase "both sources indicate"?
Use "both sources indicate" when you want to emphasize that two distinct sources independently support a particular conclusion or finding. This strengthens the credibility of your statement.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested