Phrase guide

proper subset

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

a set that is a subset of the set, but not equal to it.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, set-theory

Examples

  • {2, 4, 5} is a proper subset of {1, 2, 3, 4, 5}, but {1, 2, 3, 4, 5} is not.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

11 source translations are retained for this English entry.

  • Chinese Mandarin: 真子集 (zhēnzǐjí) — a set that is a subset of but not equal to another set
  • Czech: vlastní podmnožina — a set that is a subset of but not equal to another set
  • Danish: ægte delmængde — a set that is a subset of but not equal to another set
  • Finnish: aito osajoukko — a set that is a subset of but not equal to another set
  • French: sous-ensemble stricte — a set that is a subset of but not equal to another set
  • German: echte Teilmenge — a set that is a subset of but not equal to another set
  • Hungarian: valódi részhalmaz — a set that is a subset of but not equal to another set
  • Icelandic: eiginlegt hlutmengi — a set that is a subset of but not equal to another set
  • Italian: sottoinsieme proprio — a set that is a subset of but not equal to another set
  • Swedish: proper delmängd — a set that is a subset of but not equal to another set
  • Swedish: äkta delmängd — a set that is a subset of but not equal to another set