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| Description: Formula-building inference rule for class substitution. |
| Ref | Expression |
|---|---|
| sbcbii.1 |
|
| Ref | Expression |
|---|---|
| sbcbii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 1884 |
. 2
| |
| 2 | sbcbii.1 |
. . . 4
| |
| 3 | 2 | a1i 8 |
. . 3
|
| 4 | 3 | sbcbidv 2505 |
. 2
|
| 5 | 1, 4 | mpan 759 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqsbc3r 2507 sbc3angOLD 2509 sbcel1gvOLD 2511 sbcel2gvOLD 2513 sbcgfOLD 2521 sbc2iedv 2524 sbccomg 2526 sbcralt 2527 sbcrext 2528 sbcralgf 2529 sbcrexgf 2530 sbcabel 2535 csbcog 2547 sbcel12gOLD 2553 sbceqdigOLD 2555 sbccsbg 2565 sbccsb2g 2566 csbabg 2588 csbabgOLD 2589 foprab2 5061 fparlem1 5081 sbc3org 5827 trsbc 5843 bnj89 12444 bnj88 12447 bnj524 12523 bnj1046 12887 bnj1377 13095 bnj984 13358 bnj1462 13546 bnj1463 13550 sbcnel12g 16408 sbcne12g 16409 eqsbc3rVD 16664 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-sbc 2454 |