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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 2970 elpwi 3683 elsni 3712 elpr2 3716 elpri 3717 eltpi 3741 snssi 3843 prssi 3857 eloni 4501 limuni2 4523 elxpi 4770 releldmb 4999 relelrnb 5000 elrnmpt2d 5017 elrelimasn 5133 funeu 5382 fneu 5467 fvelima 5733 eloprabi 6405 fo2ndf 6436 elmpom 6447 fczsupp0 6472 tfrlem9 6563 ecexr 6785 elqsi 6834 qsel 6859 ecopovsym 6878 ecopovsymg 6881 elpmi 6914 elmapi 6917 pmsspw 6930 brdomi 6999 en1uniel 7057 mapdom1g 7113 dif1en 7149 enomnilem 7442 omnimkv 7460 mkvprop 7462 fodjumkvlemres 7463 enmkvlem 7465 enwomnilem 7473 ltrnqi 7752 peano2nnnn 8184 peano2nn 9266 eliooord 10280 fzrev3i 10444 elfzole1 10512 elfzolt2 10513 bcp1nk 11149 rere 11575 climcl 11992 climcau 12057 fprodcnv 12336 isstruct2im 13306 restsspw 13546 mgmcl 13622 submss 13731 subm0cl 13733 submcl 13734 submmnd 13735 subgsubm 13949 opprnzr 14431 opprdomn 14522 zrhval 14891 istopfin 14991 uniopn 14992 iunopn 14993 inopn 14994 eltpsg 15031 basis1 15038 basis2 15039 eltg4i 15046 lmff 15240 psmetf 15316 psmet0 15318 psmettri2 15319 metflem 15340 xmetf 15341 xmeteq0 15350 xmettri2 15352 cncff 15568 cncfi 15569 limcresi 15657 dvcnp2cntop 15690 sinq34lt0t 15822 lgsdir2lem2 16028 2sqlem9 16123 edgval 16181 uhgrfm 16194 ushgrfm 16195 upgrfen 16218 umgrfen 16228 uspgrfen 16280 usgrfen 16281 wlkcprim 16471 trlsv 16505 isclwwlkni 16528 eupthv 16567 |
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