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Mirrors > Home > MPE Home > Th. List > syl6eqel | Structured version Visualization version Unicode version |
Description: A membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
Ref | Expression |
---|---|
syl6eqel.1 | |
syl6eqel.2 |
Ref | Expression |
---|---|
syl6eqel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl6eqel.1 | . 2 | |
2 | syl6eqel.2 | . . 3 | |
3 | 2 | a1i 11 | . 2 |
4 | 1, 3 | eqeltrd 2701 | 1 |
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