等とう価か

と

う

か

Common wordJLPTN1Freq.FrequencyTop 50,000

Meanings

noun, noun which may take the genitive case particle 'no'

General term for things being equal in value, worth, or effect. Used in economics, mathematics, and everyday comparisons.

logical equivalence

Technical term in logic and mathematics, often synonymous with 同値. Used when two statements have the same truth value.

〈物もの〉と等とう価かであるto be of equal value to X
このコインは金きん一いち枚まいと等とう価かである。
This coin is equivalent in value to one gold piece.
〈事こと〉と等とう価かとみなすto regard X as equivalent to Y
この二ふたつの命めい題だいは等とう価かとみなすことができる。
These two propositions can be regarded as logically equivalent.
〈物もの〉と等とう価かの関かん係けいにあるto be in a relationship of equivalence with X
エネルギーと質しつ量りょうは等とう価かの関かん係けいにある。
Energy and mass are in a relationship of equivalence.

同どう値ち sense 2
同値 is the strict logic/math term for two statements sharing the same truth value, while 等価 is broader and also covers equal value or worth in everyday and economic contexts.
同どう等とうN1sense 1
同等 emphasizes equal rank or standing between people or things, whereas 等価 focuses specifically on equal value or worth.
均きん等とうN1sense 1
均等 describes things being evenly or fairly distributed, while 等価 describes two things having the same value.
相そう当とうN3sense 1
相当 means being roughly equivalent or corresponding to something, while 等価 asserts a precise equality of value.
等ひとしいN2
等価 is a technical term meaning 'of equivalent value' (as in math, economics, or logic), while 等しい is the general adjective for 'equal' usable in everyday and formal speech alike.

対たい価か sense 1
対価 refers to the price or compensation given in exchange for something, while 等価 refers to two things being of equal value, despite sharing the kanji 価.
特とっ価か sense 1
特価 means a special discounted price, while 等価 means equal value; the words sound alike and share the kanji 価 but mean very different things.

Compound of 等 (equal) and 価 (value). The reading is on'yomi.