empty relation (english) - meaning, definition, translation, pronunciation

Part of Speech

Noun

Phonetic Transcription

/ˈɛmpti rɪˈleɪʃən/

Meaning and Usage

An "empty relation" typically refers to a relation that contains no elements. In the context of mathematics, particularly in set theory and database theory, it can signify a set or a table with no entries. The term is often utilized in contrast with non-empty relations, which do include some data or elements.

Frequency of Use: The term "empty relation" is predominantly found in written contexts, especially in academic texts related to mathematics, computer science, and database management. It is less frequently used in everyday oral speech.

Example Sentences: 1. The math professor explained that an empty relation can be represented as the null set.
Профессор математики объяснил, что пустое отношение можно представить как пустое множество.

1. In this database, the query returned an empty relation, indicating no matching records were found.
   В этой базе данных запрос вернул пустое отношение, что указывает на отсутствие совпадающих записей.

2. When the function is applied with no parameters, it results in an empty relation, demonstrating its lack of output.
   Когда функция применяется без параметров, она приводит к пустому отношению, демонстрируя отсутствие результата.

Idiomatic Expressions and Phrases

While "empty relation" does not have widely recognized idiomatic expressions, the concept of "empty" does appear in various idioms that can convey a sense of lack or absence.

Example Sentences:

1. "The relationship felt empty, as if it were just a shell without any real connection."
   Отношение казалось пустым, как будто это была лишь оболочка без каких-либо настоящих связей.

2. "His promises turned out to be empty, leaving her feeling betrayed."
   Его обещания оказались пустыми, оставляя её с чувством предательства.

3. "She realized that their conversations were empty chatter, lacking any depth."
   Она поняла, что их разговоры были пустой болтовней, лишенной глубины.

4. "After the argument, their partnership became an empty shell."
   После ссоры их партнерство стало пустой оболочкой.

5. "The room felt empty without their laughter echoing off the walls."
   Комната казалась пустой без их смеха, отзывающегося от стен.

6. "His empty gaze revealed a lack of interest in the discussion."
   Его пустой взгляд выдавал отсутствие интереса к обсуждению.

Etymology

The word "empty" derives from the Old English "æmty(ge)," meaning 'not filled,' while "relation" comes from the Latin "relatio," meaning 'a bringing back, recounting, or relationship.' Together, "empty relation" signifies a relationship that holds no content or connection.

Synonyms and Antonyms

Synonyms: - Void relation - Null relation - Nonexistent relation

Antonyms: - Non-empty relation - Filled relation - Existing relation