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| Description: Implicit substitution of 2 classes for 2 set variables. |
| Ref | Expression |
|---|---|
| vtocl2g.1 |
|
| vtocl2g.2 |
|
| vtocl2g.3 |
|
| Ref | Expression |
|---|---|
| vtocl2g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 1317 |
. 2
| |
| 2 | ax-17 1317 |
. 2
| |
| 3 | vtocl2g.1 |
. 2
| |
| 4 | vtocl2g.2 |
. 2
| |
| 5 | vtocl2g.3 |
. 2
| |
| 6 | 1, 2, 3, 4, 5 | vtocl2gf 2348 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: prssgOLD 3141 uniprg 3192 intprg 3251 opthgg 3534 unexb 3797 vtoclr 4032 opelco2g 4133 elimasng 4291 funopg 4454 funsng 4465 funbrfv 4709 op2ndg 5029 ensymg 5470 xpsneng 5495 xpcomeng 5499 xpdom1g 5503 sbth 5520 xpfi 5632 en2lp 5707 unidomg 5971 unxpdom 5996 cdaung 6071 cdaeng 6074 prcdpq 6249 txbas 8933 fillsb 10270 predbrg 13897 surjsec2 14467 iscst2 14520 subtr 15352 subtr2 15353 xpeng 15691 fvopabf4g 15703 seq11g 15804 seq1p1g 15805 seqz1g 15806 seqzp1g 15807 seq1seqzg 15808 2sbc6g 16379 2sbc5g 16380 |
| 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 |