Description: Alternate proof of curryset , or more precisely alternate exposal of the same proof. (Contributed by BJ, 23-Sep-2023) This proof is intuitionistically valid. (Proof modification is discouraged.) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | currysetALT | |- -. { x | ( x e. x -> ph ) } e. V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid | |- { x | ( x e. x -> ph ) } = { x | ( x e. x -> ph ) } |
|
| 2 | 1 | currysetlem3 | |- -. { x | ( x e. x -> ph ) } e. V |