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空 そら集合 しゅうごうじゃありませんでした
sorashūgōjārimasendeshita

敬
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Noun
, 
Desu Copula

The polite, past negative form of 空集合

1. Was not the empty set.; Was not empty.

Past/Perfective
, 
Negative
, 
Polite
, 
Terminal Form
, 
Mathematics

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空集合じゃありませんでした

空集合じゃありませんでした【そらしゅうごうじゃありませんでした】 Activity

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