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Mirrors > Home > ILE Home > Th. List > csbie2g | Unicode version |
Description: Conversion of implicit substitution to explicit class substitution. This version of sbcie 2938 avoids a disjointness condition on and by substituting twice. (Contributed by Mario Carneiro, 11-Nov-2016.) |
Ref | Expression |
---|---|
csbie2g.1 | |
csbie2g.2 |
Ref | Expression |
---|---|
csbie2g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-csb 2999 | . 2 | |
2 | csbie2g.1 | . . . . 5 | |
3 | 2 | eleq2d 2207 | . . . 4 |
4 | csbie2g.2 | . . . . 5 | |
5 | 4 | eleq2d 2207 | . . . 4 |
6 | 3, 5 | sbcie2g 2937 | . . 3 |
7 | 6 | abbi1dv 2257 | . 2 |
8 | 1, 7 | syl5eq 2182 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1331 wcel 1480 cab 2123 wsbc 2904 csb 2998 |
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-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-v 2683 df-sbc 2905 df-csb 2999 |
This theorem is referenced by: (None) |
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