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| Description: Inference adding existential quantifier to both sides of an equivalence. |
| Ref | Expression |
|---|---|
| exbii.1 |
|
| Ref | Expression |
|---|---|
| exbii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 19.18 1049 |
. 2
| |
| 2 | exbii.1 |
. 2
| |
| 3 | 1, 2 | mpg 985 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 2exbii 1051 3exbi 1052 exancom 1053 19.29 1070 excom13 1097 exrot4 1099 eeor 1119 equsex 1151 19.12vv 1301 19.41vv 1305 19.41vvv 1306 exdistr 1308 exdistr2 1310 3exdistr 1311 4exdistr 1312 eeeanv 1323 ee4anv 1324 2sb5 1334 2sb5rf 1337 sbel2x 1344 exsb 1349 2exsb 1350 sb8eu 1389 eu1 1391 eu2 1395 moanim 1426 euan 1427 2moswap 1443 2exeu 1445 2eu1 1448 exists1 1456 clelab 1579 clabel 1580 sbabel 1582 rexbii2 1670 r2ex 1689 r19.29 1754 r19.41v 1761 r19.43 1763 isset 1811 rexv 1818 ceqsex2 1833 gencbvex 1835 vtocl2 1840 vtocl3 1841 cla42gv 1862 cla43gv 1864 ceqsrexv 1886 euxfr 1924 reu3 1928 reu6 1929 2reuswap 1934 sbccomglem 1985 nss 2110 abn0 2287 pssnel 2328 snprc 2440 eusn 2443 elunirab 2510 unipr 2511 uniun 2515 uniin 2516 uni0b 2519 dfiun2g 2582 iinss 2596 iunid 2599 iunn0 2603 iunxsn 2608 iunxun 2610 cbvopab2v 2673 unopab 2675 axrep1 2690 axrep4 2693 axrep5 2694 zfrep4 2697 axsep 2698 zfnuleu 2703 axnul2 2704 nvelv 2709 inex1 2712 axpow 2739 pwex 2741 nssss 2760 zfpair 2773 zfpair2 2776 eqvinop 2787 copsexg 2788 opabid 2806 opabn0 2820 dfid3 2832 axun 2863 uniex2 2865 uniuni 2876 reusn 2888 onminex 3016 elxp2 3199 opelxp 3210 relop 3271 opelcog 3286 cnvco 3296 cnvuni 3297 dfdm3 3298 dfrn2 3299 dfrn3 3300 dfdm4 3301 eldm2 3304 dmun 3313 dmin 3314 dmuni 3315 dmopab 3316 dmi 3322 elrn 3346 rnopab 3349 dmcoss 3359 dmcosseq 3361 dmres 3376 dfima2 3401 dfima3 3402 elima3 3406 imadmrn 3410 imai 3413 imasng 3420 elimasn 3422 args 3424 intirr 3437 elxp4 3449 elxp5 3450 rnuni 3455 ssrnres 3477 rninxp 3478 resco 3496 imaco 3497 rnco 3498 coi1 3506 coass 3508 dffun2 3522 dffun5 3525 imadif 3570 funimaexg 3571 fcoi1 3640 fcoi2 3641 f11o 3707 fv2 3715 fvopabn 3781 fvresex 3852 imaiun 3859 funiunfv 3861 abexssex 3867 abexex 3868 isomin 3894 iinon 3905 dfoprab2 3986 1st2val 4088 2nd2val 4089 2ndconst 4090 dfopab2 4106 dfoprab3 4107 oarec 4189 dfec2 4257 erdmrn 4269 ecdmn0 4273 snec 4289 domen 4370 mapsnen 4419 xpsnen 4424 xpassen 4430 abfii2 4545 inf2 4591 axinf 4606 axinf2 4607 zfinf 4609 tz9.12lem3 4644 rankuni 4681 scott0 4700 cp 4705 aceq1 4712 aceq0 4713 aceq2 4714 aceq5lem1 4718 aceq5lem2 4719 aceq5lem3 4720 axac 4728 ac9s 4747 kmlem3 4750 kmlem14 4761 kmlem15 4762 kmlem16 4763 cflem 4888 cf0 4893 axpowndlem3 4934 zfcndrep 4949 zfcndun 4950 zfcndpow 4951 zfcndinf 4953 zfcndac 4954 prnmadd 5083 genpass 5095 1pr 5100 distrlem1pr 5110 ltexprlem1 5125 ltexprlem4 5128 reclem1pr 5139 reclem2pr 5140 suplem1pr 5144 suppsr3 5207 elreal 5233 2rexuz 6391 nnwof 6404 nnwos 6405 cbvsum 6939 isumshft 7156 isumshft2 7157 isumnn0nn 7159 isum0split 7169 infcvglem1 7173 efseq1ex 7265 dfef2 7266 efseq0ex 7270 efclt 7271 efcvg 7273 efcvgfsum 7274 reefcl 7276 eirrlem4 7350 acdcALT 7455 infxpidmlem9 7520 isbasis2g 7572 tgval2t 7577 tgval3t 7585 tgss3t 7598 basgent 7600 subtop 7606 ismet 7758 cncfmet 7867 bcthlem14 7974 bcthlem31 7991 isgrp 8003 spwval2 8610 axgroth2 8733 axgroth3 8734 axgroth4 8735 grothprim 8738 osumlem5 9539 nmcopexlem1 9907 nmcfnexlem1 9936 19.41vvvv 10393 eeeeanv 10394 ntunte 10398 abfi 10407 ficli 10426 hmeogrp 10484 rcfpfillem3 10513 isalg 10569 algi 10576 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 962 ax-4 972 ax-5o 974 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 980 |