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| Description: Introduce a consequent to both sides of a logical equivalence. |
| Ref | Expression |
|---|---|
| bi.a |
|
| Ref | Expression |
|---|---|
| imbi1i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bi.a |
. . . 4
| |
| 2 | 1 | biimpri 169 |
. . 3
|
| 3 | 2 | imim1i 19 |
. 2
|
| 4 | 1 | biimpi 168 |
. . 3
|
| 5 | 4 | imim1i 19 |
. 2
|
| 6 | 3, 5 | impbii 174 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imbi12i 205 imor 251 impexp 374 pm4.78 381 bibi2i 669 bibi2iOLD 670 ancomsimp 1291 19.37 1431 dfsb3 1596 sbor 1605 sb19.21 1606 a12lem2 1768 mo4f 1798 2mos 1852 neor 2096 r3al 2151 r19.23 2206 r19.23OLD 2207 r19.43 2238 ralcom 2242 ralab 2417 euind 2439 reu2 2442 rmo4 2445 reuind 2450 sbc2ie 2523 unss 2780 ralunb 2784 inssdif0 2940 inssdif0OLD 2941 ssundif 2955 dfif2 2984 pwss 3043 ralprg 3078 ralprOLD 3080 ralprOLDOLD 3081 raltp 3083 ralsng 3085 sbcsngOLD 3087 disjsn 3089 snss 3122 unissb 3208 ssintabOLD 3234 intun 3249 intpr 3250 dfiin2g 3286 dfiin2OLD 3288 iunssOLD 3292 iinxsng 3325 iinxprg 3326 dftr2 3413 truni 3425 axpweq 3480 zfpow 3482 axpow2 3483 pwexOLD 3488 zfun 3791 uniex2 3793 eufromeq4 3831 dfom2 3951 asymref2 4310 asymref2OLD 4311 dffun2 4431 dffun4 4433 dffun5 4434 dffun7 4447 fununi 4481 dff13 4850 ac6sfi 5509 fiint 5650 setind2 5760 ranksn 5800 scottexs 5848 scott0s 5849 kmlem4 5930 kmlem12 5938 axpowndlem3 6103 zfcndun 6119 zfcndpow 6120 zfcndac 6123 suppsr3 6376 ralrp 7246 infm3 7263 infmsup 7277 zmin 7432 raluz2 7612 nnwos 7629 clm4i 8340 ntreq0 8984 islp2 9023 cncfmet 9183 gapm 9462 spwpr2 10001 axgroth5 10132 grothpw 10134 axgroth6 10137 fbssint 10279 isexid 10364 choc0 10923 h1deoi 11105 h1dei 11106 mdsl2i 11894 xfree2 12017 bnj45 12415 bnj538 12534 bnj856 12789 bnj857 12790 bnj861 12794 bnj869 12797 bnj980 12862 bnj979 12863 bnj1050 12889 bnj1055 12892 bnj1074 12903 bnj1079 12906 bnj1086 12908 bnj1088 12910 bnj1089 12911 bnj1101 12918 bnj1120 12930 bnj1508 13168 bnj1509 13169 bnj86 13213 bnj87 13214 bnj582 13295 bnj580 13301 bnj1049 13394 bnj1062 13397 bnj1067 13399 bnj1070 13401 bnj1077 13405 bnj1090 13410 3prm 13780 axextprim 13785 axunprim 13787 axpowprim 13788 truniOLD 13792 untuni 13797 3orit 13811 biimpexp 13815 ralunbOLD 13819 dfon2lem8 13856 predreseq 13890 trclss 13935 soseq 13955 dfom5 14081 fates 14292 nxtor 14312 domrngref 14364 trooo 14758 vecval1b 14794 bpmp 15251 btmp 15252 dfiin2gOLD 15356 compfipin0 15436 alexsublem3 15439 alexsublem4 15440 neibastop2 15523 neibastop3 15524 ralabOLD 15669 fimax2g 15769 frminex 15773 heiborlem13 15967 heiborlem16 15970 conss1 16421 dfvd3 16495 lubid 16807 pmapglbx 17251 |
| 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 164 |