by assumption

USAGE SUMMARY

"by assumption" is a correct and usable phrase in written English.
You can use it when you are making an assumption or supposition as part of a statement. For example, "By assumption, the temperature in the room was above freezing."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

By assumption, I exist.

Cornell University

The forgetting rate, by assumption, is higher for moderate reviews.

Yale University

These models and their builders ruled crises out by assumption, did they not?

The New Yorker

By assumption, (2.3).

Journal of Inequalities and Applications

where by assumption (H5).

Advances in Difference Equations

By assumption, we have.

Journal of Inequalities and Applications

By assumption (5), we have.

Fixed Point Theory and Applications

By assumption,, for all, so.

Journal of Inequalities and Applications

by assumption in equation (3.2).

Journal of Inequalities and Applications

By assumption, we have (3.17).

Journal of Inequalities and Applications

(xin Omega ) by assumption (h).

Boundary Value Problems

Expert writing Tips

Best practice

When using "by assumption", clearly state the assumption being made to avoid ambiguity. Provide context so your audience understands the basis for the assumption.

Common error

Avoid using "by assumption" without explicitly stating what is being assumed. Readers may not understand the underlying premise if it's not clearly articulated.

Linguistic Context

The phrase "by assumption" functions as a prepositional phrase that modifies a statement or argument, indicating a premise taken as true without proof. This is supported by Ludwig AI's analysis confirming it as a correct and usable English phrase, and also supported by the examples.

Expression frequency: Very common

Frequent in

Science

68%

Academia

15%

News & Media

3%

Less common in

Formal & Business

3%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "by assumption" is a grammatically sound prepositional phrase frequently used to introduce a premise taken as true without proof. As confirmed by Ludwig AI, the phrase is correct and usable in written English. Its prevalence in scientific and academic writing marks it as a formal expression, though contexts in News and Media are also observed. When using this phrase, ensure the assumption is clearly stated or readily understood within the context of your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

assuming that

Directly states a condition taken as true; less formal and slightly broader in application.

on the assumption that

More formal and emphasizes the foundational nature of the assumption.

given that

Highlights the acceptance of a fact or condition as a starting point.

under the premise that

Similar to "on the assumption that" but often used in logical arguments.

supposing that

Introduces a hypothetical condition for the sake of argument.

for the sake of argument

Emphasizes that the assumption is made to explore a hypothetical scenario.

hypothetically speaking

Clearly indicates a speculative or theoretical context.

let's say that

Informal way to introduce an assumption, often in conversational settings.

for the purpose of this

Indicates that the assumption serves a specific, limited goal.

as a starting point

Highlights the foundational role of the assumption in a broader analysis.

FAQs

How can I use "by assumption" in a sentence?

The phrase "by assumption" is used to indicate that a statement or condition is being taken as true without proof. For example, "By assumption, the data follows a normal distribution."

What phrases are similar to "by assumption"?

Alternatives include "assuming that", "on the assumption that", or "given that". The best choice depends on the specific context and desired level of formality.

Is it better to explicitly state the assumption or use "by assumption"?

While "by assumption" can be concise, explicitly stating the assumption often enhances clarity. Consider your audience and the potential for misunderstanding. Use "by assumption" when the context makes the premise clear.

What's the difference between "by assumption" and "by hypothesis"?

"By assumption" indicates something taken as true for the purpose of argument or derivation. "By hypothesis", on the other hand, suggests a testable explanation that is being investigated. Thus, "by hypothesis" implies a need for further testing, whereas "by assumption" does not.