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必要十分条件
Readings

hitsuyoujuubunjouken
English
Noun (futsuumeishi)
necessary and sufficient condition

Your personal translations
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Kanjis
ON: ヒツ KUN: かなら.ず
invariably, certain, inevitable

Stroke: 5 Grade: 4 JLPT: N2 SKIP: 1-1-4 FC: 3300.0


ON: ヨウ KUN: い.る, かなめ
need, main point, essence, pivot, key to

Stroke: 9 Grade: 4 JLPT: N2 SKIP: 2-6-3 FC: 1040.0


ON: ジュウ, ジッ, ジュッ KUN: とお, と, そ
ten

Stroke: 2 Grade: 1 JLPT: N4 SKIP: 4-2-3 FC: 4000.0


ON: ブン, フン, ブ KUN: わ.ける, わ.け, わ.かれる, わ.かる, わ.かつ
part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100

Stroke: 4 Grade: 2 JLPT: N4 SKIP: 2-2-2 FC: 8022.2


ON: ジョウ, チョウ, デキ KUN: えだ, すじ
article, clause, counter for articles, clauses, paragraphs, etc., twig, item, stripe, streak

Stroke: 7 Grade: 5 JLPT: N2 SKIP: 2-3-4 FC: 2790.0


ON: ケン KUN: くだん
affair, case, matter, item

Stroke: 6 Grade: 5 JLPT: N2 SKIP: 1-2-4 FC: 2520.0