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| Mirrors > Home > MPE Home > Th. List > syl6sseq | Structured version Visualization version Unicode version | ||
| Description: A chained subclass and equality deduction. (Contributed by NM, 25-Apr-2004.) |
| Ref | Expression |
|---|---|
| syl6sseq.1 |
|
| syl6sseq.2 |
|
| Ref | Expression |
|---|---|
| syl6sseq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl6sseq.1 |
. 2
| |
| 2 | syl6sseq.2 |
. . 3
| |
| 3 | 2 | sseq2i 3630 |
. 2
|
| 4 | 1, 3 | sylib 208 |
1
|
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