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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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disjunction

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "disjunction" is correct and usable in written English.
It is typically used in formal contexts, particularly in logic, mathematics, and philosophy, to refer to a situation where two or more statements are connected by "or." Example: "In logic, a disjunction is true if at least one of the statements is true."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

It only concerns the probability of a particular disjunctive sentence that expresses a disjunction of various possible sequences of experimental or observational outcomes.

Science

SEP

Now it is intuitively plausible that something makes a disjunction true either by making one disjunct true or by making the other disjunct true (Mulligan, Simons, & Smith 1984: 316).

Science

SEP

Note that while quantifier moves pertain to 'objects out there' (elements of the domain), moves for conjunction and disjunction concern syntactic items (conjuncts and disjuncts).

Science

SEP

For starters, "Bachelors are unmarried or the moon is blue" is a logical consequence of "Bachelors are unmarried"—its denial contradicts the latter (a denial of a disjunction is a denial of each disjunct)—but clearly nothing about the color of the moon is remotely "contained in" the concept bachelor.

Science

SEP

Thus, to defend a conjunction, a player must be able to defend any of the conjuncts, while in the case of a disjunction, it is sufficient to be able to defend one of the disjuncts.

Science

SEP

The disjunction between the Sinn Féin MP's claim and the testimony of a servant of the state like ex-Garda commissioner Pat Byrne puts a question mark over McGuinness's honesty.

News & Media

The Guardian

The smaller the simulation, the bigger the disjunction between the tasks necessary in reality and those on the computer.The opposite extreme is exemplified by OneSaf, a large-scale simulation being developed by the army in Orlando, Florida.

News & Media

The Economist

Certainly in his early works the "young eagle" could seem a rather wooden bird, determinedly plotting a formal course rather than flying freely.Although Brahms's composition grew ever more relaxed and supple, some listeners still discern an occasional disjunction in his pieces between real inspiration and the bald application of method with its "stink of the workshop".

News & Media

The Economist

The disjunction between the grammar (singular) and meaning (plural) is the reason why many people, when they need a pronoun to go with everyone, choose they, them and their (Everyone came to the party with their husband or wife).Everyone is hardly the only case where grammatical number and actual meaning part ways.

News & Media

The Economist

Rather, it is for a kind of Indian literature and literary sensibility, which he reveres, and now is scarce.Written over a 15-year period, in which he has excelled as a novelist and academic, Mr Chaudhuri's essays elucidate an Indian modernist tradition, which he finds rooted in 19th-century Bengali humanism and is characterised by "ellipsis and disjunction".

News & Media

The Economist

Four factors cause this disjunction between perception and reality.Always look on the dark side of lifeOne is the lopsidedness built into scientific research.

News & Media

The Economist
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Expert writing Tips

Best practice

Use "disjunction" when you specifically need to refer to a separation, divergence, or disconnect between two or more things, especially in formal or technical contexts.

Common error

Avoid using "disjunction" when you mean something is not working properly. "Disjunction" refers to a separation or lack of connection, while "dysfunction" refers to impaired function.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "disjunction" is as a noun, often referring to the act of disjoining, a state of being disjoined, or a logical operator. Ludwig examples show its use in both abstract logical contexts and concrete descriptions of separation.

Expression frequency: Very common

Frequent in

Science

40%

News & Media

30%

Formal & Business

15%

Less common in

Encyclopedias

5%

Wiki

5%

Reference

5%

Ludwig's WRAP-UP

In summary, "disjunction" is a grammatically correct noun phrase widely employed across various domains. As Ludwig AI confirms, it is used to signify separation, disconnect, or alternatives, particularly in formal and scientific contexts. Its frequent appearance in Science, News & Media, and Formal & Business texts underscores its versatility. While "disjunction" is appropriate for technical discussions, consider alternatives like "separation" or "disconnect" for simpler communication. Remember to avoid confusing it with "dysfunction". The phrase is well-supported by authoritative sources, ensuring its reliable usage.

FAQs

How is "disjunction" used in logical statements?

In logic, "disjunction" refers to a compound statement formed by combining two statements with the word "or". The disjunction is true if at least one of the statements is true.

What's a common context for using the word "disjunction"?

The term "disjunction" often appears in discussions of logic, mathematics, and computer science to describe alternatives or the 'or' relationship between possibilities.

Can you give me a simpler word to use instead of "disjunction"?

Depending on the context, you can use words like "separation", "disconnect", or "divergence" as alternatives to "disjunction".

What does "disjunction" mean in genetics?

In genetics, "disjunction" refers to the separation of chromosomes during meiosis. This process ensures that each daughter cell receives the correct number of chromosomes.

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Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: