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| Description: Introduce a left conjunct to both sides of a logical equivalence. |
| Ref | Expression |
|---|---|
| bi.aa |
|
| Ref | Expression |
|---|---|
| anbi2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bi.aa |
. . . 4
| |
| 2 | 1 | biimp 151 |
. . 3
|
| 3 | 2 | anim2i 335 |
. 2
|
| 4 | 1 | biimpr 152 |
. . 3
|
| 5 | 4 | anim2i 335 |
. 2
|
| 6 | 3, 5 | impbi 157 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: anbi1i 481 anbi12i 482 an23 485 an4 506 an42 507 anandir 511 3imtr3g 551 oranabs 581 bibi2i 607 xor2 672 rnlem 772 19.27 1067 sb6 1265 3exdistr 1310 4exdistr 1311 eeeanv 1322 2sb5 1333 2sb5rf 1336 sbel2x 1343 eu2 1394 eu3 1395 mo4f 1400 eu5 1407 eu4 1408 euan 1426 2mos 1446 2eu4 1450 2eu6 1452 clelab 1578 r2ex 1688 reu2 1926 reu3 1927 reu4 1930 reu7 1931 dfpss2 2129 dfpss3 2130 difdif 2162 inass 2219 dfss4 2238 dfin2 2240 difin 2241 indi 2247 difin0ss 2328 inssdif0 2329 eluniab 2508 unipr 2510 uniun 2514 uniin 2515 dfiun2g 2581 iunin2 2603 iundif2 2605 iindif2 2606 axrep1 2689 axrep4 2692 notzfaus 2736 eqvinop 2786 opeqsn 2797 opabid 2805 uniuni 2875 ordtri3or 2974 onzsl 3112 findsg 3152 tfindsg 3157 fconstopab 3205 xpundi 3220 elcnv2 3289 cnvuni 3296 dmuni 3314 opelres 3364 dfima3 3398 elima3 3402 imai 3409 asymref2 3432 intirr 3433 rnuni 3451 imainss 3455 ssrnres 3473 rninxp 3474 cores 3491 rnco 3494 coass 3504 dffun2 3518 dffun3 3519 dffun4 3520 dffun5 3521 dffunmof 3522 funeu2 3530 dffun6 3531 dffun8 3533 svrelfun 3552 fncnv 3553 funcnvuni 3556 imadif 3566 fcoi2 3637 fconst 3649 f11 3655 fores 3672 f1o4 3687 f1o5 3688 f1ocnv 3692 fvopab2 3782 eqfnfvf 3789 ffnfvf 3820 fsn2 3827 funiunfv 3857 f1fvf 3866 tfrlem2 3903 dfrdg2 3924 rdglem1 3928 tz7.49 3950 ffnoprval 4005 eqfnoprval 4007 fooprval 4028 2ndconst 4087 foprab2 4109 th3qlem1 4304 mapsnen 4416 xpassen 4427 pw2en 4432 xpmapenlem5 4486 abfii1 4541 abfii2 4542 inf2 4588 axinf 4603 trcl 4625 aceq1 4709 aceq3 4713 aceq4 4714 aceq5lem2 4716 aceq5lem3 4717 aceq5 4720 kmlem3 4747 kmlem4 4748 kmlem14 4758 kmlem15 4759 aceqkm 4761 zorn2lem7 4774 brdom7disj 4784 brdom6disj 4785 cf0 4890 zfcndrep 4946 zfcndinf 4950 distrlem1pr 5107 distrlem5pr 5111 opelreal 5229 elreal 5230 pre-axsup 5271 elnnz 6100 elznn0nn 6103 peano2uz2 6157 nnwof 6399 nnwos 6400 elfzuzb 6416 cau3ir 6860 cbvsum 6932 clm1 7023 climcmplem 7081 cvgcmp3cetlem1 7132 cvgcmp3cetlem2 7133 cvgratlem3 7195 elcncf1d 7213 ivth2OLD 7242 infpn2 7460 infmap2lem1 7529 infmap2 7531 istop2g 7547 istps4 7559 isbasis2g 7562 tgval2t 7567 tgval3t 7575 tgss3t 7588 basgent 7590 subtop 7596 fctop2 7601 clsval2 7635 cncnp 7728 blfval2 7788 blf 7796 iscau2 7889 xpcn 7926 oprcn 7927 fsumcnlem 7939 bcthlem4 7952 bcthlem12 7960 bcthlem14 7962 bcthlem32 7980 sspval 8329 ubthlem1 8473 spwval2 8595 spwmo 8598 pilem1 8609 axgroth4 8719 grothprim 8722 hlimcaui 9045 ocsh 9095 pjtheu 9173 shscl 9219 h1deot 9410 h1det 9411 hommvalt 9452 hfmmvalt 9455 nmcopexlem1 9889 nmcopexlem2 9890 nmcfnexlem1 9918 nmcfnexlem2 9919 pjhmopidm 10048 cvbr2t 10148 cvnbtwn2t 10152 cvnbtwn4t 10154 mdsl2 10186 cvmd 10188 mdsymlem6 10272 cdj3lem3b 10301 ahypfmbi 10362 eeeeanv 10372 infi 10484 ishgrag 10641 |
| 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 |