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| Mirrors > Home > MPE Home > Th. List > Mathboxes > w2reu | Structured version Visualization version GIF version | ||
| Description: Syntax for double restricted existential uniqueness quantification. | 
| Ref | Expression | 
|---|---|
| wph | wff 𝜑 | 
| vx | setvar 𝑥 | 
| vy | setvar 𝑦 | 
| cA | class 𝐴 | 
| cB | class 𝐵 | 
| Ref | Expression | 
|---|---|
| w2reu | wff ∃!𝑥 ∈ 𝐴 , 𝑦 ∈ 𝐵𝜑 | 
| Colors of variables: wff setvar class | 
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