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| Description: Membership in a class abstraction, using implicit substitution. |
| Ref | Expression |
|---|---|
| elab2g.1 |
|
| elab2g.2 |
|
| Ref | Expression |
|---|---|
| elab2g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elab2g.1 |
. . 3
| |
| 2 | 1 | elabg 2405 |
. 2
|
| 3 | elab2g.2 |
. . 3
| |
| 4 | 3 | eleq2i 1961 |
. 2
|
| 5 | 2, 4 | syl5bb 591 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: elab2 2407 eldif 2609 elun 2741 elin 2786 elprg 3060 elsncg 3063 eluni 3180 eliun 3259 eliin 3260 elong 3665 elimag 4269 tfrlem12 5130 elixp2 5408 elnp 6244 istopg 8865 isbasisg 8880 ismet 9075 isgrp 9321 isps 9988 elghomlem2 10194 elsymgrn 10200 isfbas 10261 isfil 10266 isplig 10345 isdir 10352 isass 10363 isexid 10364 ismgm 10367 hcau 10684 sh 10711 closedsub 10726 ch2 10747 elcnop 11420 ellnop 11421 elunop 11436 elhmop 11437 elcnfn 11446 ellnfn 11447 stel 11786 hstel 11787 elrn2g 13877 orderseqlem 13953 wfrlem15 13971 elno 13987 elaltxp 14098 domrancur1b 14548 isprs 14565 iscom 14689 isptfin 15505 elqs2 16267 |
| 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 |