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
As discussed before
Grammar usage guide and real-world examplesUSAGE SUMMARY
"as discussed before" is a correct and commonly used phrase in written English.
It is typically used to refer back to a previous discussion or topic that has already been mentioned. It can be used in various contexts, such as in a research paper, a meeting, or a conversation. Example: As discussed before, the results of the survey showed a strong correlation between exercise and mental well-being.
✓ Grammatically correct
Science
Wiki
Encyclopedias
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
60 human-written examples
As discussed before, we assume that S∗>0.
As discussed before, no valid cost analysis exists so far.
Science
As discussed before, this is the most critical phase.
As discussed before, the notion of throughput capacity is relevant for delay-tolerant data applications.
As discussed before, the smallest following and largest previous integer of n may be optimal.
As discussed before, when no covers have been formed yet, sets are remaining.
As discussed before, MERA is usually more sensitive to strong noise than MEPA.
As discussed before, the SLP is proven to be NP-hard.
As discussed before, the workflow of frequency-domain blind source separation is shown in Figure 1.
As discussed before, EE is defined as the achievable sum rate divided by the consumed energy.
As discussed before, GO is negatively charged due to carboxyl and hydroxyl groups on the surface.
Science
Expert writing Tips
Best practice
Use "As discussed before" to smoothly transition back to a topic already introduced, ensuring your audience can easily follow your train of thought.
Common error
Avoid starting multiple consecutive sentences or paragraphs with "As discussed before", as this can make your writing repetitive and monotonous. Vary your transitional phrases for a more engaging read.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "As discussed before" functions as an adverbial phrase, modifying the main clause by indicating that the information being presented has been previously discussed. As Ludwig AI explains, it's a common phrase used to link ideas and ensure cohesion.
Frequent in
Science
73%
Wiki
8%
Encyclopedias
4%
Less common in
Formal & Business
4%
News & Media
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "As discussed before" is a grammatically correct and very common adverbial phrase used to refer back to a previous discussion. Ludwig AI confirms its correct usage and provides numerous examples across various contexts, primarily in scientific writing. While versatile, it is advisable to vary transitional phrases to avoid repetition. Its function is to remind the audience of previously covered information, making it a valuable tool for building cohesive arguments and ensuring clarity in both formal and informal communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
As previously mentioned
Uses "mentioned" instead of "discussed", implying a briefer reference.
As we discussed earlier
Adds a temporal element, indicating the discussion happened at an earlier time.
As noted earlier
Replaces "discussed" with "noted", suggesting a formal acknowledgement.
As previously stated
Emphasizes a formal declaration made earlier.
To reiterate what was said earlier
More verbose, explicitly indicating a repetition of prior information.
Returning to the previous point
Signals a return to an earlier topic after a digression.
As I mentioned earlier
Personalizes the reference, specifying that the speaker previously mentioned it.
Referring back to our conversation
Highlights the conversational aspect of the prior discussion.
Building upon what we've already covered
Indicates the current topic is an extension of a previous discussion.
Following up on our previous discussion
Suggests a continuation of a prior conversation or topic.
FAQs
How can I use "As discussed before" in a sentence?
"As discussed before" is used to refer back to a topic that has already been covered. For example: "As discussed before, the budget needs to be revised."
What are some alternatives to "As discussed before"?
Alternatives include "as previously mentioned", "as we discussed earlier", or "as noted earlier".
Is it correct to say "Like discussed before" instead of "As discussed before"?
No, "Like discussed before" is grammatically incorrect. The correct phrase is "As discussed before".
What's the difference between "As discussed before" and "As mentioned before"?
"As discussed before" implies a more in-depth conversation or exploration of a topic, while "as mentioned before" suggests a briefer reference.
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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested