Meaning of 説分 in Japanese

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Definition of 説分

せつ(setsu) 【説】

(n, n-suf) theory
あなたがなんと言おうと、私はやはりその説が正しいと思う。
For all you say, I still believe in the truth of the theory.

ふん(fun) 【分】

ぶ(bu) 【分】

(n) one-tenth; one percent (one-tenth of a wari); 3 mm (one-tenth of a sun); 2.4 mm (one-tenth of a mon, a traditional unit used to measure shoe sizes); 0.375 grams (one-tenth of a monme); 0.1 degree (one-tenth of a do, used to measure body temperature on any temperature scale) →Related words: 文
one-quarter of a ryou (obsolete unit of currency)
thickness
advantageous circumstances

ぶん(bun) 【分】