正せい

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

true; regular; correct

Used in logic and general contexts to mean true, regular, or correct. Often appears in compounds like 正解 (correct answer) or 正式 (official).

• この命めい題だいは正せいである。

  This proposition is true.

• 正せいの整せい数すうを入にゅう力りょくしてください。

  Please enter a positive integer.

numeric

10^40; ten duodecillion

Rare numeric unit for 10^40. Mainly encountered in historical or mathematical contexts.

• 正せいは10の40乗じょうを表あらわす単たん位いです。

  正 is a unit representing 10 to the 40th power.

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

original; genuine

Abbreviation of 正本 (せいほん). Used in limited contexts like 正本 (original copy) or 正札 (price tag).

See also: 正本 (せいほん)

• この書しょ類るいは正せい本ほんです。

  This document is the original.

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

positive; greater than zero

Mathematical term for positive numbers, opposite of 負 (negative).

See also: 負 (ふ)

• 正せいの数すうと負ふの数すうを足たす。

  Add positive and negative numbers.

noun

thesis

Philosophical term in dialectics, part of the triad 正反合 (thesis-antithesis-synthesis).

See also: 定立 · 正反合

• ヘーゲルの弁べん証しょう法ほうでは正せい・反はん・合ごうが重じゅう要ようだ。

  In Hegel's dialectics, thesis, antithesis, and synthesis are important.