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| Mirrors > Home > MPE Home > Th. List > renegcld | Structured version Visualization version Unicode version | ||
| Description: Closure law for negative of reals. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| renegcld.1 |
|
| Ref | Expression |
|---|---|
| renegcld |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | renegcld.1 |
. 2
| |
| 2 | renegcl 10344 |
. 2
| |
| 3 | 1, 2 | syl 17 |
1
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