Log in to reduce ads and focus on learning.
広告
Last Updated :2025/11/22

Quizzes for review

(set theory, order theory) A partial order, ≤, (a binary relation that is reflexive, antisymmetric, and transitive) on some set S, such that any two elements of S are comparable (for any x, y ∈ S, either x ≤ y or y ≤ x).

音声機能が動作しない場合はこちらをご確認ください
See correct answer

total order

If the relation ≤ is a total order on S, then for any x, y ∈ S either x ≤ y or y ≤ x.

See correct answer

If the relation ≤ is a total order on S, then for any x, y ∈ S either x ≤ y or y ≤ x.

音声機能が動作しない場合はこちらをご確認ください

English - English

Word Edit Setting
  • Users who have edit permission for words - All Users
  • Screen new word creation
  • Screen word edits
  • Screen word deletion
  • Screen the creation of new headword that may be duplicates
  • Screen changing entry name
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Sentence Edit Setting
  • Users who have edit permission for sentences - All Users
  • Screen sentence deletion
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Quiz Edit Setting
  • Users who have edit permission for quizzes - All Users
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Editing Guideline

Login / Sign up

 

Download the app!
DiQt

DiQt

Free

★★★★★★★★★★