Last Updated
：2025/12/07
left total
Adjective
not-comparable
Japanese Meaning
集合論において、二項関係 R ⊆ A×B が左側の集合 A の全ての元 a に対して、少なくとも一度は現れる（すなわち、各 a に対して、対応する b ∈ B が存在し (a, b) ∈ R となる）という性質を示す。 / つまり、全ての a ∈ A が何らかの形で R に含まれている状態を表す。
Quizzes for review
(set theory) Of a binary relation, to have every element of the left set occur at least once: ∀a∈A∃b∈B:(a,b)∈R⊆A⨯B
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left total
The relation R is left total, meaning that for every element a in A there exists an element b in B such that (a,b) ∈ R.
See correct answer
The relation R is left total, meaning that for every element a in A there exists an element b in B such that (a,b) ∈ R.
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