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Related theorems GIF version |
| Description: Membership in a class abstraction, using implicit substitition. Compare Theorem 6.13 of [Quine] p. 44. |
| Ref | Expression |
|---|---|
| elab.1 | ⊢ A ∈ V |
| elab.2 | ⊢ (x = A → (φ ↔ ψ)) |
| Ref | Expression |
|---|---|
| elab | ⊢ (A ∈ {x∣φ} ↔ ψ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 1007 | . 2 ⊢ (ψ → ∀xψ) | |
| 2 | elab.1 | . 2 ⊢ A ∈ V | |
| 3 | elab.2 | . 2 ⊢ (x = A → (φ ↔ ψ)) | |
| 4 | 1, 2, 3 | elabf 1942 | 1 ⊢ (A ∈ {x∣φ} ↔ ψ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 ↔ wb 144 = wceq 992 ∈ wcel 994 {cab 1505 Vcvv 1857 |
| This theorem is referenced by: dfiun2g 2654 dfiin2 2656 brab1 2733 dffr2 2949 frirr 2954 uniuni 3104 onminex 3164 finds 3244 finds2 3246 funcnvuni 3669 tz6.12-2 3850 onopriun 4211 tfrlem3 4214 mapval2 4476 sbthlem2 4593 ssenen 4651 abfii3 4706 abfii4 4707 tz9.13 4809 kardex 4871 karden 4872 aceq3 4879 aceq5lem3 4883 aceq5lem4 4884 aceq6b 4888 kmlem12 4922 brdom7disj 4950 brdom6disj 4951 cardiun 5009 alephval3 5053 cardcf 5061 cfeq0 5064 cfsuc 5065 genpelv 5257 genpprecl 5258 genpnnp 5262 peano5nni 6071 peano5uzi 6374 infcvgaux1i 7423 subbas 7856 subbas2 7857 subtop 7858 cctop 7862 nvvcop 8460 nmosetn0 8682 nmolb 8688 nmoubi 8689 nmlno0lem 8708 circgrp 9012 nmopsetn0 10072 nmfnsetn0 10085 nmoplb 10111 nmopub 10112 nmfnlb 10128 nmfnleub 10129 nmlnop0iALT 10199 nmopun 10218 nmcopexlem1 10230 nmcfnexlem1 10259 branmfn 10317 branmfnOLD 10318 pjnmopi 10355 pjhmopidm 10390 elo 10733 prj1 10809 qusp 11068 rcfpfillem6 11094 rcfpfil 11095 dfiin2g 11400 fictblem 11422 fictb 11423 omsublim 11448 compsublem 11487 compsub 11488 hscptsscld 11491 compfipin0 11493 cncomp 11494 comppfsc 11578 neibastop1 11579 neibastop2lem3 11582 neibastop2lem4 11583 neibastop2 11584 neibastop3 11585 fnemeet1 11589 fnemeet2 11590 fnejoin1 11591 fnejoin2 11592 fbasfip 11627 fbunfip 11631 filrn 11643 supfil 11645 ufinffr 11663 ufilen 11664 cnpfillim 11686 elfilmap 11690 filmapss 11696 rnelfmlem 11698 rnelfm 11699 fmfnfmlem3 11702 fmfnfmlem4 11703 fmfnfm 11704 fcluscf 11724 flimfnfcls 11727 fcluscnplem 11729 fcluscomplem 11732 fclusff 11735 filnetlem1 11763 sdc 11877 metsstop 11909 txbas 11973 txuni 11975 uptx 11978 txsubsp 11983 sstotbnd 11992 heiborlem1 12011 rrntotbndlem1 12076 rrntotbnd 12078 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-10 1002 ax-12 1004 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 |
| This theorem depends on definitions: df-bi 145 df-an 223 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 df-v 1858 |