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| Mirrors > Home > MPE Home > Th. List > sumeq2dv | Structured version Visualization version Unicode version | ||
| Description: Equality deduction for sum. (Contributed by NM, 3-Jan-2006.) (Revised by Mario Carneiro, 31-Jan-2014.) |
| Ref | Expression |
|---|---|
| sumeq2dv.1 |
|
| Ref | Expression |
|---|---|
| sumeq2dv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sumeq2dv.1 |
. . 3
| |
| 2 | 1 | ralrimiva 2966 |
. 2
|
| 3 | 2 | sumeq2d 14432 |
1
|
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