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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 552 oranabs 582 bibi2i 608 xor2 673 rnlem 773 19.27 1069 sb6 1267 3exdistr 1312 4exdistr 1313 eeeanv 1324 2sb5 1335 2sb5rf 1338 sbel2x 1345 eu2 1396 eu3 1397 mo4f 1402 eu5 1409 eu4 1410 euan 1428 2mos 1448 2eu4 1452 2eu6 1454 clelab 1581 r2ex 1691 reu2 1930 reu3 1931 reu4 1934 reu7 1935 dfpss2 2133 dfpss3 2134 difdif 2166 inass 2223 dfss4 2242 dfin2 2244 difin 2245 indi 2251 difin0ss 2332 inssdif0 2333 eluniab 2513 unipr 2515 uniun 2519 uniin 2520 dfiun2g 2586 iunin2 2608 iundif2 2610 iindif2 2611 axrep1 2694 axrep4 2697 notzfaus 2741 eqvinop 2791 opeqsn 2802 opabid 2810 uniuni 2880 ordtri3or 2979 onzsl 3117 findsg 3157 tfindsg 3162 fconstopab 3210 xpundi 3225 elcnv2 3294 cnvuni 3301 dmuni 3319 opelres 3372 dfima3 3406 elima3 3410 imai 3417 asymref2 3440 intirr 3441 rnuni 3459 imainss 3463 ssrnres 3481 rninxp 3482 cores 3499 rnco 3502 coass 3512 dffun2 3526 dffun3 3527 dffun4 3528 dffun5 3529 dffunmof 3530 funeu2 3538 dffun6 3539 dffun8 3541 svrelfun 3560 fncnv 3561 funcnvuni 3564 imadif 3574 fcoi2 3646 fconst 3658 f11 3664 fores 3681 f1o4 3696 f1o5 3697 f1ocnv 3701 fvopab2 3791 eqfnfvf 3798 ffnfvf 3829 fsn2 3836 funiunfv 3866 f1fvf 3875 tfrlem2 3912 dfrdg2 3933 rdglem1 3937 tz7.49 3959 ffnoprval 4014 eqfnoprval 4016 fooprval 4037 2ndconst 4097 foprab2 4119 th3qlem1 4314 mapsnen 4429 xpassen 4441 pw2en 4446 xpmapenlem5 4500 abfii1OLD 4561 abfii2OLD 4562 inf2 4608 axinf 4623 trcl 4645 aceq1 4729 aceq3 4733 aceq4 4734 aceq5lem2 4736 aceq5lem3 4737 aceq5 4740 kmlem3 4767 kmlem4 4768 kmlem14 4778 kmlem15 4779 aceqkm 4781 zorn2lem7 4794 brdom7disj 4804 brdom6disj 4805 cf0 4910 zfcndrep 4966 zfcndinf 4970 distrlem1pr 5127 distrlem5pr 5131 opelreal 5249 elreal 5250 pre-axsup 5291 elnnz 6145 elznn0nn 6148 peano2uz2 6201 nnwof 6459 nnwos 6460 elfzuzb 6476 cau3ir 6915 cbvsum 6986 clm1 7077 climcmplem 7137 cvgcmp3cetlem1 7188 cvgcmp3cetlem2 7189 cvgratlem3 7252 elcncf1d 7270 infpn2 7509 infmap2lem1 7579 infmap2 7581 istop2gOLD 7597 istps4OLD 7609 isbasis2g 7612 tgval2t 7617 tgval3t 7625 tgss3t 7638 basgent 7640 subtop 7646 fctop2 7651 clsval2 7685 cncnp 7778 blfval2 7836 blf 7844 iscau2 7937 xpcn 7976 oprcn 7977 fsumcnlem 7989 bcthlem4 8002 bcthlem12 8010 bcthlem14 8012 bcthlem32 8030 sspval 8382 ubthlem1 8529 spwval2 8653 spwmo 8656 pilem1 8671 axgroth4 8780 grothprim 8783 hlimcaui 9106 ocsh 9156 pjtheu 9235 shscl 9281 h1deot 9472 h1det 9473 hommvalt 9512 hfmmvalt 9515 nmcopexlem1 9951 nmcopexlem2 9952 nmcfnexlem1 9980 nmcfnexlem2 9981 pjhmopidm 10110 cvbr2t 10210 cvnbtwn2t 10214 cvnbtwn4t 10216 mdsl2 10249 cvmd 10251 mdsymlem6 10335 cdj3lem3b 10367 ahypfmbi 10426 eeeeanv 10436 infiOLD 10579 ishgrag 10769 |
| 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 |