| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Bound-variable hypothesis builder for substitution into a class. |
| Ref | Expression |
|---|---|
| hbcsbg.1 |
|
| hbcsbg.2 |
|
| Ref | Expression |
|---|---|
| hbcsbg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elisset 2299 |
. 2
| |
| 2 | hbcsbg.1 |
. . . . . 6
| |
| 3 | ax-17 1317 |
. . . . . 6
| |
| 4 | 2, 3 | hbel 1996 |
. . . . 5
|
| 5 | ax-17 1317 |
. . . . 5
| |
| 6 | 4, 5 | 19.21ai 1345 |
. . . 4
|
| 7 | ax-17 1317 |
. . . . . 6
| |
| 8 | hbcsbg.2 |
. . . . . 6
| |
| 9 | 7, 8 | hbel 1996 |
. . . . 5
|
| 10 | 2, 9 | hbsbcg 2466 |
. . . 4
|
| 11 | 6, 10 | hbabd 1876 |
. . 3
|
| 12 | df-csb 2541 |
. . . 4
| |
| 13 | 12 | eleq2i 1961 |
. . 3
|
| 14 | 13 | albii 1346 |
. . 3
|
| 15 | 11, 13, 14 | 3imtr4g 612 |
. 2
|
| 16 | 1, 15 | syl 12 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: csbie2t 2578 oprabval2gf 4955 oprabval4gALT 4961 dfoprab5sf 5058 foprab2 5061 iunfoprab 5072 cbvcsb 15354 cnresoprab 15915 cbvralcsf 16411 cbvrexcsf 16412 cbvreucsf 16413 cbvrabcsf 16414 |
| 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 df-csb 2541 |