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| Mirrors > Home > MPE Home > Th. List > ffvelrnda | Structured version Visualization version Unicode version | ||
| Description: A function's value belongs to its codomain. (Contributed by Mario Carneiro, 29-Dec-2016.) |
| Ref | Expression |
|---|---|
| ffvelrnd.1 |
|
| Ref | Expression |
|---|---|
| ffvelrnda |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffvelrnd.1 |
. 2
| |
| 2 | ffvelrn 6357 |
. 2
| |
| 3 | 1, 2 | sylan 488 |
1
|
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