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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 2675. (Contributed by Peter Mazsa, 1-Nov-2019.) |
Ref | Expression |
---|---|
rabbii.1 |
Ref | Expression |
---|---|
rabbii |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabbii.1 | . . 3 | |
2 | 1 | a1i 9 | . 2 |
3 | 2 | rabbiia 2671 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wceq 1331 wcel 1480 crab 2420 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-rab 2425 |
This theorem is referenced by: dfdif3 3186 suplocexpr 7533 dmtopon 12190 |
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