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Mirrors > Home > MPE Home > Th. List > impbid2 | Structured version Visualization version Unicode version |
Description: Infer an equivalence from two implications. (Contributed by NM, 6-Mar-2007.) (Proof shortened by Wolf Lammen, 27-Sep-2013.) |
Ref | Expression |
---|---|
impbid2.1 | |
impbid2.2 |
Ref | Expression |
---|---|
impbid2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | impbid2.2 | . . 3 | |
2 | impbid2.1 | . . 3 | |
3 | 1, 2 | impbid1 215 | . 2 |
4 | 3 | bicomd 213 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 |
This theorem is referenced by: biimt 350 biorf 420 biorfiOLD 423 pm4.72 920 biort 938 bimsc1 980 19.38a 1767 19.38b 1768 ax13b 1964 cgsexg 3238 cgsex2g 3239 cgsex4g 3240 elab3gf 3356 abidnf 3375 elsn2g 4210 eqoreldif 4225 difsn 4328 eqsnOLD 4362 prel12 4383 elpreqprb 4397 dfnfc2 4454 dfnfc2OLD 4455 intmin4 4506 dfiin2g 4553 elpw2g 4827 ssrel 5207 ssrelOLD 5208 ssrel2 5210 ssrelrel 5220 releldmb 5360 relelrnb 5361 cnveqb 5590 dmsnopg 5606 relcnvtr 5655 elsnxp 5677 ord0eln0 5779 f1ocnvb 6150 ffvresb 6394 isof1oopb 6575 soisores 6577 riotaclb 6649 fnoprabg 6761 difex2 6969 dfwe2 6981 ordpwsuc 7015 ordunisuc2 7044 limsssuc 7050 dfom2 7067 relcnvexb 7114 dfsmo2 7444 omord 7648 nneob 7732 pw2f1olem 8064 sucdom 8157 fundmfibi 8245 f1dmvrnfibi 8250 fieq0 8327 hartogslem1 8447 rankr1ag 8665 rankeq0b 8723 fidomtri 8819 fidomtri2 8820 isfin2-2 9141 enfin2i 9143 isfin3-2 9189 isf34lem6 9202 isfin1-2 9207 isfin1-3 9208 isfin7-2 9218 axgroth6 9650 ltsonq 9791 ltexnq 9797 znegclb 11414 rpneg 11863 nltpnft 11995 ngtmnft 11997 xrrebnd 11999 qextlt 12034 qextle 12035 iccneg 12293 fzsn 12383 fz1sbc 12416 fzofzp1b 12566 ceilidz 12651 fleqceilz 12653 hashclb 13149 hashnncl 13157 hashfun 13224 reim0b 13859 rexanre 14086 rexuzre 14092 lo1resb 14295 o1resb 14297 dvdsext 15043 zob 15083 ncoprmgcdne1b 15363 pceq0 15575 pc11 15584 pcz 15585 ramtcl 15714 cshwsiun 15806 pospo 16973 oduposb 17136 cnvpsb 17213 tsrlemax 17220 issubg2 17609 issubg4 17613 ghmmhmb 17671 pmtrmvd 17876 mndodcong 17961 issubrg2 18800 lpigen 19256 cyggic 19921 ip2eq 19998 maducoeval2 20446 eltg3 20766 bastop 20785 0top 20787 iscld3 20868 isclo2 20892 cnprest 21093 dfconn2 21222 comppfsc 21335 cmphaushmeo 21603 reghaus 21628 nrmhaus 21629 fbun 21644 fsubbas 21671 ufileu 21723 uffix 21725 txflf 21810 fclsrest 21828 flimfnfcls 21832 ptcmplem2 21857 tgpt1 21921 tgpt0 21922 isngp2 22401 nrgdomn 22475 nmhmcn 22920 iscmet3 23091 limcflf 23645 ply1nzb 23882 coe11 24009 dgreq0 24021 eldmgm 24748 sqf11 24865 sqff1o 24908 zabsle1 25021 lgsabs1 25061 lgsquadlem2 25106 issubgr2 26164 uhgrissubgr 26167 usgrfilem 26219 uvtxnbgrb 26302 cusgrfilem3 26353 vdiscusgr 26427 wwlksn0s 26746 nmobndi 27630 hmopadj2 28800 mdslle1i 29176 mdslle2i 29177 relfi 29415 ssrelf 29425 prodindf 30085 bnj1173 31070 resconn 31228 cvmsval 31248 elmrsubrn 31417 funsseq 31666 brcolinear 32166 outsideofeu 32238 lineunray 32254 nn0prpw 32318 bj-19.3t 32689 bj-sb3b 32804 bj-sngltag 32971 bj-elid2 33086 bj-inftyexpiinj 33096 wl-sb5nae 33340 wl-ax11-lem2 33363 poimirlem26 33435 poimirlem27 33436 heicant 33444 cover2 33508 eqfnun 33516 isbndx 33581 isbnd2 33582 equivbnd2 33591 prdsbnd2 33594 elghomlem2OLD 33685 isdrngo3 33758 riotaclbgBAD 34240 lssatle 34302 opcon3b 34483 cdlemk33N 36197 cdlemk34 36198 wepwsolem 37612 rp-fakeimass 37857 cnvssb 37892 intimag 37948 sscon34b 38317 ntrneiiso 38389 pm11.71 38597 pm14.122b 38624 pm14.123b 38627 iotavalb 38631 eliuniin 39279 eliuniin2 39303 climreeq 39845 rexrsb 41169 reuan 41180 afv0nbfvbi 41231 dfafn5b 41241 elfz2z 41325 zeo2ALTV 41582 nnlog2ge0lt1 42360 |
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