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Mirrors > Home > MPE Home > Th. List > wnel | Structured version Visualization version GIF version |
Description: Extend wff notation to include negated membership. |
Ref | Expression |
---|---|
cA | class 𝐴 |
cB | class 𝐵 |
Ref | Expression |
---|---|
wnel | wff 𝐴 ∉ 𝐵 |
Colors of variables: wff setvar class |
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