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palang bawah berganda logik atau
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· U+2A63
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Related
∀
untuk semua
∁
Complement
∂
pembezaan separa
∃
wujud
∄
There Does Not Exist
∅
set kosong
∆
kenaikan
∇
Nabla
∈
unsur
∉
bukan unsur
∊
Small Element Of
∋
mengandungi sebagai ahli
∌
Does Not Contain As Member
∍
Small Contains As Member
∎
penamat bukti
∏
hasil darab n-ner
∐
N-Ary Coproduct
∑
hasil tambah n-ner
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