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Mirrors > Home > MPE Home > Th. List > rabeq2i | Structured version Visualization version Unicode version |
Description: Inference rule from equality of a class variable and a restricted class abstraction. (Contributed by NM, 16-Feb-2004.) |
Ref | Expression |
---|---|
rabeq2i.1 |
Ref | Expression |
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rabeq2i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabeq2i.1 | . . 3 | |
2 | 1 | eleq2i 2693 | . 2 |
3 | rabid 3116 | . 2 | |
4 | 2, 3 | bitri 264 | 1 |
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