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
I specified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I specified" is correct and usable in written English.
You can use it when referring to something you have clearly defined or indicated in a previous context. Example: "In my previous email, I specified the deadline for the project submission."
✓ Grammatically correct
News & Media
Science
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
43 human-written examples
where Φ b ^ r, r ′ ; t represents the kernel PSF in evolution time t corresponding to the continuous-form dynamic generalization of the PSF matrix Φ D i specified by (13), and M defines the metrics inducing operator.
Let e k, ∀k = 1, 2, 3, 4, be an event of flow i obtained from the comparison condition between the q i and the threshold value ( q ¯ i ) specified in Table 1.
where P2D is the number of assigned MASs in the 2D MAC policy, r i the number of requested MASs in I i specified by a QoS flow, and x the number of selected MASs in each zone with I j *.
As explained above, our solution to Sellers' conjecture will lead to subspaces S i specified in quite different and to us unexpected fashion: namely, by modular functions satisfying functional identities like (42) and (43) in Section 6.
Science
By approximating the binomial distribution with a Poisson distribution and recalling that the sum of independent Poisson random variables is also a Poisson random variable, it is straightforward to show that the method for generating the count c i specified by eqs.
First, we evaluated an initial space-time GAMM, 1 where GSH OP it is the weekly average at location i (i = 1...I; I = 34) and week t, and g(s i ) is a two-dimensional spatial smooth function of the projected coordinates (easting and northing) at location i specified using thin-plate penalized splines (basis dimension k = 0.9 I).
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
Where f i : specifies the function (e.g., max or sum).
Science
The HDFS allows the user to (i) specify the block size to be used for partitioning a given file, (ii) issue only sequential read and append operations.
Basically, S i specifies the contribution of protocol phase i to the outer bound region, both in terms of rates and power consumption.
The reserved bit "R" can be ignored and flag "I" specifies whether the current frame is an instantaneous decoding refresh (IDR) frame.
The replacement type τ i specifies the rule of replacement.
Science
Expert writing Tips
Best practice
Use "I specified" when you want to emphasize that you provided clear and particular instructions or details, ensuring there's no room for ambiguity.
Common error
While "I specified" is acceptable in many situations, consider using more formal alternatives like "I stipulated" or "I designated" in highly professional or academic writing to maintain a sophisticated tone.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I specified" functions as a declarative statement indicating a past action of clearly stating or defining something. Ludwig AI affirms its correctness and usability. The subject, 'I', performs the action of specifying.
Frequent in
News & Media
60%
Science
30%
Formal & Business
5%
Less common in
Wiki
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
The phrase "I specified" is grammatically correct and very common in contemporary English. Ludwig AI confirms this. It is used to communicate that the speaker has clearly stated or defined something in the past. While versatile, as highlighted by Ludwig's examples, "I specified" is used most frequently in News & Media and Scientific contexts, reflecting its usefulness in conveying precision and clarity. When writing, use "I specified" to ensure your audience understands that you provided clear and particular instructions or details. In formal or academic settings, consider more elevated alternatives such as "I stipulated" or "I designated".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I indicated
Focuses on pointing something out without necessarily defining it in detail.
I designated
Implies assigning a specific role or purpose.
I stipulated
Suggests setting forth something as a condition or requirement, more formal.
I defined
Highlights providing a clear and precise meaning or explanation.
I prescribed
Implies setting down a rule or course of action, often in a professional or authoritative context.
I laid down
Suggests setting out rules or principles authoritatively.
I set out
Focuses on presenting details or intentions clearly and systematically.
I detailed
Focuses on providing comprehensive information on the matter.
I determined
Highlights making a firm decision about something.
I established
Suggests setting something up firmly or permanently.
FAQs
What can I say instead of "I specified"?
You can use alternatives like "I indicated", "I designated", or "I defined" depending on the context.
How to use "I specified" in a sentence?
You can use "I specified" to indicate that you clearly stated or defined something. For example, "I specified the exact dimensions required for the project."
Is "I specified" formal or informal?
"I specified" falls in the neutral to slightly formal register. In very formal contexts, consider alternatives such as "I stipulated".
What's the difference between "I specified" and "I mentioned"?
"I specified" implies giving explicit details or requirements, while "I mentioned" simply means you brought something to someone's attention without necessarily providing complete information.
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested