Speakur

Word Pronunciation & Dictionary

arithmetical hierarchy

Word Rarity Very rare

Frequency: Zipf frequency 2.09 in modern English

Syllables
arith-meti-cal hier-ar-chy
IPA
39
Scrabble Score
21
Letters
5
Syllables
10
Unique Chars

Meaning

noun

A hierarchy which classifies the complexity of first-order formulae (and sets defined by them) based on the number of alternations between series of unbounded existential quantifiers and universal quantifiers.

Inflected Forms

arithmetical hierarchies (plural)

Synonyms

arithmetic hierarchy Kleene hierarchy Kleene-Mostowski hierarchy

Questions

What does arithmetical hierarchy mean?
A hierarchy which classifies the complexity of first-order formulae (and sets defined by them) based on the number of alternations between series of unbounded existential quantifiers and universal quantifiers.

How to pronounce arithmetical hierarchy

  1. Open the pronunciation page — Open the Speakur entry for “arithmetical hierarchy”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “arithmetical hierarchy”.
  4. Repeat and practice — Say “arithmetical hierarchy” aloud, matching stress and vowels until it feels natural.