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| Mirrors > Home > ILE Home > Th. List > ibi | Unicode version | ||
| Description: Inference that converts a biconditional implied by one of its arguments, into an implication. (Contributed by NM, 17-Oct-2003.) |
| Ref | Expression |
|---|---|
| ibi.1 |
|
| Ref | Expression |
|---|---|
| ibi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ibi.1 |
. . 3
| |
| 2 | 1 | biimpd 144 |
. 2
|
| 3 | 2 | pm2.43i 49 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: ibir 177 pm5.21nii 712 elab3gf 2957 elpwi 3665 elsni 3691 elpr2 3695 elpri 3696 eltpi 3720 snssi 3822 prssi 3836 eloni 4478 limuni2 4500 elxpi 4747 releldmb 4975 relelrnb 4976 elrnmpt2d 4993 elrelimasn 5109 funeu 5358 fneu 5443 fvelima 5706 eloprabi 6370 fo2ndf 6401 elmpom 6412 fczsupp0 6437 tfrlem9 6528 ecexr 6750 elqsi 6799 qsel 6824 ecopovsym 6843 ecopovsymg 6846 elpmi 6879 elmapi 6882 pmsspw 6895 brdomi 6963 en1uniel 7021 mapdom1g 7076 dif1en 7111 enomnilem 7397 omnimkv 7415 mkvprop 7417 fodjumkvlemres 7418 enmkvlem 7420 enwomnilem 7428 ltrnqi 7701 peano2nnnn 8133 peano2nn 9214 eliooord 10224 fzrev3i 10385 elfzole1 10453 elfzolt2 10454 bcp1nk 11087 rere 11505 climcl 11922 climcau 11987 fprodcnv 12266 isstruct2im 13172 restsspw 13412 mgmcl 13522 submss 13639 subm0cl 13641 submcl 13642 submmnd 13643 subgsubm 13863 opprnzr 14281 opprdomn 14371 zrhval 14713 istopfin 14811 uniopn 14812 iunopn 14813 inopn 14814 eltpsg 14851 basis1 14858 basis2 14859 eltg4i 14866 lmff 15060 psmetf 15136 psmet0 15138 psmettri2 15139 metflem 15160 xmetf 15161 xmeteq0 15170 xmettri2 15172 cncff 15388 cncfi 15389 limcresi 15477 dvcnp2cntop 15510 sinq34lt0t 15642 lgsdir2lem2 15848 2sqlem9 15943 edgval 16001 uhgrfm 16014 ushgrfm 16015 upgrfen 16038 umgrfen 16048 uspgrfen 16100 usgrfen 16101 wlkcprim 16291 trlsv 16325 isclwwlkni 16348 eupthv 16387 |
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