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Mirrors > Home > MPE Home > Th. List > wrex | Structured version Visualization version GIF version |
Description: Extend wff notation to include restricted existential quantification. |
Ref | Expression |
---|---|
wph | wff 𝜑 |
vx | setvar 𝑥 |
cA | class 𝐴 |
Ref | Expression |
---|---|
wrex | wff ∃𝑥 ∈ 𝐴 𝜑 |
Colors of variables: wff setvar class |
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