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Mirrors > Home > ILE Home > Th. List > rabbii | Unicode version |
Description: Equivalent wff's correspond to equal restricted class abstractions. Inference form of rabbidv 2630. (Contributed by Peter Mazsa, 1-Nov-2019.) |
Ref | Expression |
---|---|
rabbii.1 |
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Ref | Expression |
---|---|
rabbii |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabbii.1 |
. . 3
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2 | 1 | a1i 9 |
. 2
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3 | 2 | rabbiia 2626 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1391 ax-7 1392 ax-gen 1393 ax-ie1 1437 ax-ie2 1438 ax-8 1450 ax-11 1452 ax-4 1455 ax-17 1474 ax-i9 1478 ax-ial 1482 ax-i5r 1483 ax-ext 2082 |
This theorem depends on definitions: df-bi 116 df-tru 1302 df-nf 1405 df-sb 1704 df-clab 2087 df-cleq 2093 df-rab 2384 |
This theorem is referenced by: dfdif3 3133 dmtopon 11972 |
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