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| Description: Membership in a class abstraction with implicit substitution. Compare Theorem 6.13 of [Quine] p. 44. |
| Ref | Expression |
|---|---|
| elab.1 |
|
| elab.2 |
|
| Ref | Expression |
|---|---|
| elab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 971 |
. 2
| |
| 2 | elab.1 |
. 2
| |
| 3 | elab.2 |
. 2
| |
| 4 | 1, 2, 3 | elabf 1896 |
1
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| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: dfiun2g 2586 dfiin2 2588 brab1 2660 uniuni 2880 dffr2 2919 frirr 2924 onminex 3020 finds 3156 finds2 3158 funcnvuni 3564 tz6.12-2 3739 tfrlem3 3913 mapval2 4335 sbthlem2 4448 ssenen 4504 abfii3OLD 4563 abfii4OLD 4564 tz9.13 4663 kardex 4725 karden 4726 aceq3 4733 aceq5lem3 4737 aceq5lem4 4738 aceq6b 4742 kmlem12 4776 brdom7disj 4804 brdom6disj 4805 cardiun 4859 alephval3 4903 cardcf 4911 cfeq0 4914 cfsuc 4915 genpelv 5103 genpprecl 5104 genpnnp 5108 peano5nn 5926 peano5uz 6203 infcvgaux1 7219 subbasOLD 7644 subbas2OLD 7645 subtop 7646 fctopOLD 7650 cctop 7652 nvvcop 8213 nmosetn0 8428 nmolb 8434 nmoubi 8435 nmlno0lem 8453 circgrp 8740 nmopsetn0 9792 nmfnsetn0 9805 nmoplbt 9831 nmopubt 9832 nmfnlbt 9848 nmfnleubt 9849 nmlnop0ALT 9920 nmopunt 9939 nmcopexlem1 9951 nmcfnexlem1 9980 branmfnt 10038 pjnmop 10075 pjhmopidm 10110 elo 10444 qusp 10555 rcfpfillem6 10595 rcfpfillem6OLD 10596 rcfpfil 10597 rcfpfilOLD 10598 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-v 1812 |