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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 480 anbi12i 481 an23 484 an4 505 an42 506 anandir 510 3imtr3g 550 oranabs 580 bibi2i 606 xor2 671 rnlem 771 19.27 1065 sb6 1262 3exdistr 1307 4exdistr 1308 eeeanv 1319 2sb5 1330 2sb5rf 1333 sbel2x 1340 eu2 1389 eu3 1390 mo4f 1395 eu5 1402 eu4 1403 euan 1421 2mos 1441 2eu4 1445 2eu6 1447 clelab 1573 r2ex 1683 reu2 1920 reu3 1921 reu4 1924 reu7 1925 dfpss2 2123 dfpss3 2124 difdif 2156 inass 2213 dfss4 2232 dfin2 2234 difin 2235 indi 2241 difin0ss 2322 inssdif0 2323 eluniab 2503 unipr 2505 uniun 2509 uniin 2510 dfiun2g 2576 iunin2 2598 iundif2 2600 iindif2 2601 axrep1 2684 axrep4 2687 notzfaus 2731 eqvinop 2781 opeqsn 2791 opabid 2799 uniuni 2870 ordtri3or 2969 onzsl 3107 findsg 3147 tfindsg 3152 fconstopab 3200 xpundi 3215 elcnv2 3283 cnvuni 3290 dmuni 3308 opelres 3356 dfima3 3390 elima3 3394 imai 3401 asymref2 3424 asymref2OLD 3426 intirr 3427 rnuni 3445 imainss 3449 ssrnres 3467 rninxp 3468 cores 3485 rnco 3488 coass 3498 dffun2 3512 dffun3 3513 dffun4 3514 dffun5 3515 dffunmof 3516 funeu2 3524 dffun6 3525 dffun8 3527 svrelfun 3546 fncnv 3547 funcnvuni 3550 imadif 3560 fcoi2 3631 fconst 3643 f11 3649 fores 3666 f1o4 3681 f1o5 3682 f1ocnv 3686 fvopab2 3776 eqfnfvf 3783 ffnfvf 3814 fsn2 3821 funiunfv 3851 f1fvf 3860 tfrlem2 3897 dfrdg2 3918 rdglem1 3922 tz7.49 3944 ffnoprval 3999 eqfnoprval 4001 fooprval 4022 2ndconst 4081 foprab2 4103 th3qlem1 4298 mapsnen 4410 xpassen 4421 pw2en 4426 xpmapenlem5 4480 abfii1 4535 abfii2 4536 inf2 4580 axinf 4595 trcl 4617 aceq1 4701 aceq3 4705 aceq4 4706 aceq5lem2 4708 aceq5lem3 4709 aceq5 4712 kmlem3 4739 kmlem4 4740 kmlem14 4750 kmlem15 4751 aceqkm 4753 zorn2lem7 4766 brdom7disj 4776 brdom6disj 4777 cf0 4882 zfcndrep 4938 zfcndinf 4942 distrlem1pr 5099 distrlem5pr 5103 opelreal 5221 elreal 5222 pre-axsup 5263 elnnz 6092 elznn0nn 6095 peano2uz2 6149 nnwof 6391 nnwos 6392 elfzuzb 6408 cau3ir 6852 cbvsum 6924 clm1 7015 climcmplem 7073 cvgcmp3cetlem1 7124 cvgcmp3cetlem2 7125 cvgratlem3 7187 elcncf1d 7205 ivth2OLD 7234 infpn2 7452 infmap2lem1 7521 infmap2 7523 istop2g 7539 istps4 7551 isbasis2g 7554 tgval2t 7559 tgval3t 7567 tgss3t 7580 basgent 7582 subtop 7588 fctop2 7593 clsval2 7627 cncnp 7717 blfval2 7776 blf 7784 iscau2 7875 xpcn 7910 oprcn 7911 fsumcnlem 7923 bcthlem4 7936 bcthlem12 7944 bcthlem14 7946 bcthlem32 7964 sspval 8316 ubthlem1 8460 spwval2 8577 spwmo 8580 pilem1 8590 axgroth4 8719 grothprim 8722 hlimcaui 9027 ocsh 9072 pjtheu 9150 shscl 9196 h1deot 9387 h1det 9388 hommvalt 9429 hfmmvalt 9432 nmcopexlem1 9866 nmcopexlem2 9867 nmcfnexlem1 9895 nmcfnexlem2 9896 pjhmopidm 10020 cvbr2t 10120 cvnbtwn2t 10124 cvnbtwn4t 10126 mdsl2 10157 cvmd 10159 mdsymlem6 10243 cdj3lem3b 10272 ahypfmbi 10326 eeeeanv 10336 infi 10448 ishgrag 10605 |
| 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 |