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| Description: Deduce an equivalence from two implications. |
| Ref | Expression |
|---|---|
| impbid.1 |
|
| impbid.2 |
|
| Ref | Expression |
|---|---|
| impbid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | impbid.1 |
. . 3
| |
| 2 | impbid.2 |
. . 3
| |
| 3 | 1, 2 | jca 288 |
. 2
|
| 4 | bi 514 |
. 2
| |
| 5 | 3, 4 | sylibr 200 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: impbid1 516 impbid2 517 impbida 518 bitrd 527 pm5.74 582 ibib 589 anbi2d 615 oibabs 653 bibif 680 nbn2 720 orbidi 742 pm5.75 748 dedlem0b 760 dedlemb 762 19.15 995 19.18 1048 19.21t 1113 equequ1 1132 equequ2 1133 elequ1 1134 elequ2 1135 dral1 1152 cbv2 1161 sbequ12 1179 sbied 1193 ax11b 1218 sbequ 1227 drsb2 1228 sb56 1264 sbal1 1344 eupickb 1433 euor2 1435 2eu2 1448 ceqex 1882 reu3 1927 sbciegft 1955 reupick 2275 sotric 2855 sotrieq 2856 reuuni1 2877 alxfr 2891 ralxfrd 2892 tz7.7 2968 ordsseleq 2971 ordtri1 2975 ordtri3 2978 oneqmin 3013 ordsssuc2 3054 ordsuc 3060 ordelsuc 3066 ordsucelsuc 3068 ordunisuc2 3110 limsuc 3115 ssrel 3242 funssres 3544 tz6.12-1 3727 tz6.12c 3731 ssimaex 3759 eqfnfv 3788 fvimacnv 3796 fsn 3825 fconst2g 3836 fconst5 3839 funiunfv 3857 elunirnALT 3860 f1ocnvfvb 3872 cbvfo 3876 isomin 3890 isofr 3893 oaord 4171 oawordex 4181 oaordex 4182 oarec 4186 omord2 4188 om00 4196 oeord 4205 erthi 4271 ereldm 4275 pw2en 4432 enen1 4463 enen2 4464 domen1 4465 domen2 4466 sdomen1 4467 sdomen2 4468 mapunen 4488 ssenen 4490 nneneq 4498 onomeneq 4504 nndomo 4506 fodomfib 4547 pm54.43 4552 ssrankr1 4656 r1pwcl 4667 rankr1b 4679 aceq5 4720 carden 4811 carddom 4816 sdomsdomcard 4828 alephord 4855 alephsucdom 4860 indpi 5014 ltexpq 5060 1idpr 5113 ltapr 5131 leltnet 5502 ltlent 5503 xrlttrit 5533 xrleltnet 5539 lt2msq 5837 nnleltp1t 5909 nndivt 5914 supxrunb1 6044 supxrunb2 6045 zrevaddclt 6125 dfuz 6158 zmax 6176 zbtwnre 6177 flget 6186 qrevaddclt 6221 om2uzlt2 6244 ioo0t 6313 elioc2t 6330 elico2t 6331 elicc2t 6332 fznt 6433 fzaddelt 6440 elfzp1 6450 fzrevralt 6459 expordt 6541 clm4le 7027 unitgt 7573 tgval3t 7575 tgss2t 7587 clsval2 7635 iscld3 7645 isopn3 7647 elcls3 7661 neips 7677 opnneissb 7678 opnssneib 7679 tpnei 7684 opnneiid 7687 cncnp 7728 sncld 7737 metxp 7786 blssex 7806 neibl 7829 metelcls 7916 metcnp4 7920 grpinvf 8029 nvmul0or 8224 nvz 8249 iporthcom 8316 nmobndi 8383 hvmul0ort 8833 his6t 8904 hial0 8907 hial02 8908 orthcom 8913 normgt0tOLD 8932 normgt0t 8933 ocin 9108 shsel3t 9217 chssoct 9357 h1de2b 9415 h1de2bOLD 9416 spansncol 9430 elspansn4t 9436 spansnss2t 9438 sumspansnt 9534 lnopcnbdt 9903 lnfncnbdt 9930 riesz1t 9936 cvcon3t 10149 dmdmdt 10165 dmdbr3 10170 dmdbr4 10171 mdslmd1 10193 atcveq0 10212 chcv1t 10219 atssmat 10242 atcv0eq 10243 atcv1t 10244 ghomf1olem 10330 nndivsub 10357 ompfl2OLD 10363 cdrci 10417 hmphsym 10452 hmeogrp 10461 efilcp 10481 efilcp2 10486 iint 10514 trran 10516 ismonc 10620 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 |