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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 | biimpi 149 |
. . 3
|
| 3 | 2 | anim2i 333 |
. 2
|
| 4 | 1 | biimpri 150 |
. . 3
|
| 5 | 4 | anim2i 333 |
. 2
|
| 6 | 3, 5 | impbii 155 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: anbi1i 484 anbi12i 485 an23 488 an4 509 an42 510 anandir 514 3imtr3g 555 oranabs 585 bibi2i 611 xor2 676 rnlem 778 nic-justlem 961 nic-mpALT 968 nic-axALT 970 19.27 1105 sb6 1305 3exdistr 1350 4exdistr 1351 eeeanv 1362 2sb5 1374 2sb5rf 1377 sbel2x 1384 eu2 1435 eu3 1436 mo4f 1441 eu5 1448 eu4 1449 euan 1467 2mos 1488 2eu4 1492 2eu6 1494 clelab 1624 r2ex 1737 reu2 1976 reu3 1977 reu4 1980 reu7 1981 sbc8g 2004 dfpss2 2185 dfpss3 2186 difdif 2218 inass 2275 dfss4 2294 dfin2 2296 difin 2297 indi 2303 difin0ss 2385 inssdif0 2386 eluniab 2579 unipr 2581 uniun 2586 uniin 2587 dfiun2g 2654 iunin2 2677 iundif2 2679 iindif2 2681 axrep1 2768 axrep4 2771 notzfaus 2815 eqvinop 2867 opcom 2877 opeqsn 2879 opabid 2887 ordtri3or 3007 uniuni 3104 onzsl 3200 tfindsg 3213 findsg 3245 fconstopab 3293 xpundi 3310 elvvv 3314 elcnv2 3385 cnvuni 3392 dmuni 3410 opelres 3459 dfima3 3498 elima3 3502 imai 3509 asymref2 3532 intirr 3533 rnuni 3544 imainss 3548 ssrnres 3566 rninxp 3567 coundir 3601 cores 3602 rnco 3605 coass 3616 relrelss 3618 dffun2 3631 dffun3 3632 dffun4 3633 dffun5 3634 dffun6f 3635 funeu2 3643 dffun7 3644 dffun9 3646 svrelfun 3665 fncnv 3666 funcnvuni 3669 imadif 3679 fcoi2 3753 fconst 3765 dff12 3771 fores 3789 dff1o4 3804 dff1o5 3805 f1ocnv 3809 fvopab2 3902 ffnfvf 3943 fsn2 3950 funiunfv 3980 dff13f 3989 ffnoprv 4074 eqfnoprv 4076 fooprv 4098 foprab2 4181 tfrlem2 4213 dfrdg2 4234 rdglem1 4238 tz7.49 4260 th3qlem1 4455 mapsnen 4570 xpassen 4582 pw2en 4587 xpmapenlem5 4647 abfii1 4704 abfii2 4705 inf2 4753 zfinf 4768 trcl 4791 aceq1 4875 aceq3 4879 aceq4 4880 aceq5lem2 4882 aceq5lem3 4883 aceq5 4886 kmlem3 4913 kmlem4 4914 kmlem14 4924 kmlem15 4925 aceqkm 4927 zorn2lem7 4940 brdom7disj 4950 brdom6disj 4951 cf0 5060 zfcndrep 5120 zfcndinf 5124 distrlem1pr 5281 distrlem5pr 5285 opelreal 5403 elreal 5404 pre-axsup 5445 elnnz 6313 elznn0nn 6316 peano2uz2 6372 nnwof 6586 nnwos 6587 elfzuzb 6604 fzsuc 6636 cau3iri 7118 cbvsumi 7189 clm1i 7280 climcmplem 7340 cvgcmp3cetlem1 7392 cvgcmp3cetlem2 7393 cvgratlem3 7457 elcncf1di 7475 infpn2 7721 infmap2lem1 7791 infmap2 7793 istop2g 7809 istps4 7821 isbasis2g 7824 tgval2 7829 tgval3 7837 tgss3 7850 basgen 7852 subtop 7858 clsval2 7895 cncnp 7988 blfval2 8046 blf 8054 iscau2 8148 xpcn 8187 oprcn 8188 fsumcnlem 8200 bcthlem4 8213 bcthlem12 8221 bcthlem14 8223 bcthlem32 8241 sspval 8636 ubthlem1 8787 spwval2 8915 spwmo 8918 pilem1 8938 axgroth4 9052 grothprim 9057 hlimcauii 9382 ocsh 9432 pjtheui 9511 shscli 9557 h1deoi 9748 h1dei 9749 hommval 9788 hfmmval 9791 nmcopexlem1 10230 nmcopexlem2 10231 nmcfnexlem1 10259 nmcfnexlem2 10260 pjhmopidm 10390 cvbr2 10491 cvnbtwn2 10495 cvnbtwn4 10497 mdsl2i 10530 cvmdi 10532 mdsymlem6 10617 cdj3lem3b 10649 ahypfmbi 10711 eeeeanv 10720 tostos 10883 altretoplem2 11143 altretop 11144 issubcat 11299 cnvresima 11407 trer 11409 ordtypelem4 11430 compfipin0 11493 alexsublem2 11497 alexsublem3 11498 is1stc3 11530 isfne2 11542 isfne3 11543 fneerdm 11559 locfincomp 11575 neibastop2lem1 11580 neibastop2lem2 11581 neibastop2lem4 11583 isfbas2 11622 elfg 11633 neifg 11644 ufinffr 11663 hausfillim 11685 fmfnfm 11704 fcluscf 11724 flimfnfcls 11727 gapmlem 11783 gapm 11784 inpreima 11793 unpreima 11794 opabex3 11806 oprab2co 11812 eqfnfv3 11819 cbvixpv 11821 fimax 11837 fzm1 11867 sdc 11877 txcnoprab 11981 heiborlem1 12011 phtpycom 12092 ishgrag 12195 |
| 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 145 df-an 223 |