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Related theorems Unicode version |
| Description: Value of a function given by ordered-pair class abstraction. |
| Ref | Expression |
|---|---|
| fvopab4g.1 |
|
| fvopab4g.2 |
|
| fvopab4.3 |
|
| Ref | Expression |
|---|---|
| fvopab4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvopab4.3 |
. 2
| |
| 2 | fvopab4g.1 |
. . 3
| |
| 3 | fvopab4g.2 |
. . 3
| |
| 4 | 2, 3 | fvopab4g 3855 |
. 2
|
| 5 | 1, 4 | mpan2 699 |
1
|