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Mirrors > Home > MPE Home > Th. List > crab | Structured version Visualization version GIF version |
Description: Extend class notation to include the restricted class abstraction (class builder). |
Ref | Expression |
---|---|
wph | wff 𝜑 |
vx | setvar 𝑥 |
cA | class 𝐴 |
Ref | Expression |
---|---|
crab | class {𝑥 ∈ 𝐴 ∣ 𝜑} |
Colors of variables: wff setvar class |
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