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| Mirrors > Home > MPE Home > Th. List > syl6eleq | Structured version Visualization version Unicode version | ||
| Description: A membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
| Ref | Expression |
|---|---|
| syl6eleq.1 |
|
| syl6eleq.2 |
|
| Ref | Expression |
|---|---|
| syl6eleq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl6eleq.1 |
. 2
| |
| 2 | syl6eleq.2 |
. . 3
| |
| 3 | 2 | a1i 11 |
. 2
|
| 4 | 1, 3 | eleqtrd 2703 |
1
|
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