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logisk eller dobbelt understreket
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· U+2A63
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Related
∀
allkvantor
∁
Complement
∂
partiellderivert
∃
eksistenskvantor
∄
There Does Not Exist
∅
den tomme mengden
∆
matematisk endring
∇
Nabla
∈
element i
∉
er ikke element i
∊
Small Element Of
∋
inneholder som medlem
∌
Does Not Contain As Member
∍
Small Contains As Member
∎
slutt på bevis
∏
produkt
∐
N-Ary Coproduct
∑
sum
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