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| Description: Inference adding restricted existential quantifier to both sides of an equivalence. |
| Ref | Expression |
|---|---|
| ralbii.1 |
|
| Ref | Expression |
|---|---|
| rexbii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biid 187 |
. 2
| |
| 2 | 1 | hbth 1348 |
. . 3
|
| 3 | ralbii.1 |
. . . 4
| |
| 4 | 3 | a1i 8 |
. . 3
|
| 5 | 2, 4 | rexbid 2122 |
. 2
|
| 6 | 1, 5 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 2rexbii 2130 rexanali 2144 r19.29r 2229 r19.42v 2237 r19.43 2238 reeanOLD 2248 2ralor 2250 rexcom4 2312 rexcom4OLD 2313 ceqsrex2v 2395 reu7 2447 0el 2891 uni0b 3203 iuncom 3261 iuniin 3264 iuniinOLD 3265 iunrab 3299 iinssOLD 3305 iunn0 3315 iunn0OLD 3316 iunin2 3320 iundif2 3322 iunun 3328 iununi 3331 iununiOLD 3332 iunpwss 3337 inuni 3470 dffr2OLD 3628 dfepfr 3640 dfepfrOLD 3641 epfrc 3642 epfrcOLD 3643 sucel 3738 reuxfrd 3846 iunpw 3858 iunxpf 4045 cnvuni 4147 dfima3 4267 dffr3 4297 dminxp 4357 imaco 4403 coiun 4407 isarep1 4497 isarep1OLD 4498 iunfopabOLD 4543 abrexexlem2 4835 imaiun 4840 abrexex2 4847 elrnoprabg 5066 dfrdg2 5141 rdglem1 5145 tz7.49 5168 uniqs 5354 qsid 5360 ordtypelem4 5687 zfregcl 5697 zfreg 5698 zfreg2 5699 zfregs2 5755 ac6n 5919 kmlem7 5933 kmlem13 5939 numth2 5947 zorn2lem7 5956 zorn 5959 brdom7disj 5966 brdom6disj 5967 isinfcard 6035 ssxrOLD 6715 dfinfmr 7276 infmsup 7277 supxrre 7292 infmxrcl 7295 uzwo 7624 uzwoOLD 7625 nnwof 7628 cau3iri 8167 cbvsumi 8246 clmnnsi 8344 climunii 8358 climresi 8365 infcvglem1 8482 ivthlem6 8548 efaddlem27 8626 tgval2 8887 txbas 8933 blrn2 9119 lmbrnns 9220 lmcvgnns 9221 bcthlem33 9309 isgrp2i 9360 axgroth5 10132 grothpw 10134 axgroth4 10139 grothprim 10141 rexcom4a 10147 rexcom4b 10148 subsp 10244 hausfillim 10303 lpni 10347 axhcompl 10500 hhcmpl 10702 hlimuniii 10741 shne0i 11004 nmcopexlem1 11588 nmcopexlem2 11589 nmcfnexlem1 11617 nmcfnexlem2 11618 cdj3lem3b 12012 bnj4 12369 bnj41 12413 bnj163OLD 12490 bnj168 12496 bnj860 12793 bnj878 12805 bnj1159 12951 bnj1185 12967 bnj1194 12971 bnj1298 13043 bnj1437 13131 bnj1524 13177 bnj849 13318 bnj882 13320 bnj916 13332 bnj983 13357 bnj1398 13515 bnj1463 13550 ublbneg 13653 divalglem10 13705 divalgb 13707 dfon2lem9 13857 dffr4 13893 soseq 13955 axdenselem4 14022 axdenselem5 14023 axfelem11 14041 axfelem15 14045 axfelem16 14046 negcmpprcal2 14276 dstr 14516 iscst4 14522 cbvprodi 14662 imtr 14762 sallnei 14873 fictblem 15370 fictb 15371 ordtypelem4OLD 15378 compcov 15429 hscptsscld 15434 reconnlem1 15446 is1stc3 15469 locfincomp 15514 neibastop2lem3 15521 neibastop2lem4 15522 ist0-2 15539 isufil2 15565 ufileu 15573 limfilcf 15587 fcluscf 15612 flimfnfcls 15615 filnetlem2 15641 2ralorOLD 15655 rexcom4aOLD 15659 rexcom4bOLD 15660 3reeanv 15661 eropreu 15733 abrexex2g 15738 infmrlb 15765 infmrgelb 15766 wofi 15770 sdc 15811 fdc 15812 isbnd3 15941 heiborlem8 15962 heiborlem29 15983 ismrer1 16024 smprngpr 16200 isfldidl 16216 prter1 16282 prter2 16285 zfregs2VD 16665 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 1305 ax-4 1319 ax-5o 1321 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-ex 1327 df-rex 2110 |