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
a required system
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a required system" is correct and usable in written English.
You can use it when referring to a system that is necessary or mandatory for a particular purpose or function. Example: "In order to comply with the new regulations, we must implement a required system for data management."
✓ Grammatically correct
Science
Wiki
Agricultural and Food Economics
Alternative expressions(2)
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
A particular focus has been the Hazard Analysis and Critical Control Points (HACCP) system one of the more widely used methods of food safety management, a process standard recommended by the Codex Alimentarius Commission of the Food and Agriculture Organization of the United Nations and the World Health Organization, and a required system in the European Union (EU) and the USA.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Experienced technical architects do their best to ensure that unnecessary system dependencies are kept to a minimum and that any required system dependencies are called out and monitored closely throughout the life span of the system.
" You Chromebook will download any required system updates after connecting to the network.
Wiki
Here, we propose a simple methodology that first performs an enrichment test to find patterns in the values of globally profiled kinetic parameters with which a model can produce the required system dynamics; this is then followed by a statistical test to elucidate the association between individual parameters and different parts of the system's dynamics.
Science
An objective of the model is the minimization of development cost, while satisfying the required system and reliability requirements.
The required behaviour of the system is written down as a set of strict universal Horn sentences, and then the initial model of these sentences is an abstract version of the required system.
Science
An error analysis was applied successfully to find the required system characteristics needed to meet the requirement of a maximum system error of 5% for net CO2 exchange measurements even at low photosynthesis levels.
Science
Better coordination between the base station and relays to mitigate inter-cell interference becomes an important aspect of achieving the required system performance, not only in the single-cell scenario, but also in multi-cell scenarios.
A system for guide roller motion design is obtained, on which a Matlab program is coded to get the required system parameters.
The design optimization process is frequently accompanied by repetitive time-consuming operations, through the design analysis with a few modifications in its parameters, until the required system is encountered.
Most importantly, the inference method is presented to show how a network can be reconstructed to provide the required system dynamics and relative connection relationships among genes (but not for predicting a network structure of a general graph-based model).
Science
Expert writing Tips
Best practice
When using "a required system", ensure the context clearly indicates what necessitates or mandates the system. For instance, specify the regulation, standard, or objective that makes the system necessary.
Common error
Avoid using "a required system" without specifying the reason or authority that necessitates it. Always provide context to explain why the system is required.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a required system" functions as a noun phrase where "required" acts as an adjective modifying "system". It indicates a system that is necessary or mandatory in a specific context. Ludwig provides examples showing its use in technical and regulatory contexts.
Frequent in
Science
75%
Wiki
15%
Formal & Business
10%
Less common in
News & Media
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a required system" is used to describe a system that is necessary or mandatory, commonly found in scientific, technical, and regulatory contexts. Ludwig AI confirms the grammatical correctness and usability of the phrase. Alternative expressions include "a necessary system" or ""a mandatory system"". When using this phrase, it's important to specify the context that necessitates the system. While grammatically correct, it's relatively rare, so consider whether a more common alternative would better suit your writing. This analysis provides guidance on how to use the phrase effectively and avoid common pitfalls.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a necessary system
Replaces "required" with "necessary", emphasizing the essential nature of the system.
a mandatory system
Substitutes "required" with "mandatory", highlighting the obligatory aspect of the system.
an essential system
Uses "essential" instead of "required" to denote the critical importance of the system.
a compulsory system
Employs "compulsory" to stress the enforced nature of the system.
a requisite system
Replaces "required" with "requisite", indicating a necessary condition for the system.
a needed system
Uses "needed" instead of "required", focusing on the system's necessity.
a crucial system
Substitutes "required" with "crucial", emphasizing the critical importance of the system.
a vital system
Employs "vital" to underscore the essential and life-sustaining role of the system.
a prescribed system
Replaces "required" with "prescribed", indicating that the system is officially recommended or mandated.
a stipulated system
Uses "stipulated" instead of "required" to show that the system is a specified condition or agreement.
FAQs
How to use "a required system" in a sentence?
Use "a required system" to describe a system that is necessary or mandatory. For example, "Implementing "a mandatory system" for data encryption is crucial for compliance."
What can I say instead of "a required system"?
You can use alternatives like "a necessary system", "an essential system", or ""a mandatory system"" depending on the context.
Which is correct, "a required system" or "the required system"?
"A required system" refers to one instance of a necessary system. "The required system" refers to a specific system that has already been defined or is understood within the context.
What's the difference between "a required system" and "a recommended system"?
"A required system" is mandatory, whereas "a recommended system" is suggested but not compulsory. The first is an obligation, while the second is an option.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested