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Mirrors > Home > MPE Home > Th. List > rabbidva | Structured version Visualization version Unicode version |
Description: Equivalent wff's yield equal restricted class abstractions (deduction rule). (Contributed by NM, 28-Nov-2003.) |
Ref | Expression |
---|---|
rabbidva.1 |
Ref | Expression |
---|---|
rabbidva |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabbidva.1 | . . 3 | |
2 | 1 | ralrimiva 2966 | . 2 |
3 | rabbi 3120 | . 2 | |
4 | 2, 3 | sylib 208 | 1 |
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