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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 709 elab3gf 2953 elpwi 3658 elsni 3684 elpr2 3688 elpri 3689 eltpi 3713 snssi 3812 prssi 3826 eloni 4466 limuni2 4488 elxpi 4735 releldmb 4961 relelrnb 4962 elrnmpt2d 4979 elrelimasn 5094 funeu 5343 fneu 5427 fvelima 5687 eloprabi 6348 fo2ndf 6379 tfrlem9 6471 ecexr 6693 elqsi 6742 qsel 6767 ecopovsym 6786 ecopovsymg 6789 elpmi 6822 elmapi 6825 pmsspw 6838 brdomi 6906 en1uniel 6964 mapdom1g 7016 dif1en 7049 enomnilem 7316 omnimkv 7334 mkvprop 7336 fodjumkvlemres 7337 enmkvlem 7339 enwomnilem 7347 ltrnqi 7619 peano2nnnn 8051 peano2nn 9133 eliooord 10136 fzrev3i 10296 elfzole1 10364 elfzolt2 10365 bcp1nk 10996 rere 11392 climcl 11809 climcau 11874 fprodcnv 12152 isstruct2im 13058 restsspw 13298 mgmcl 13408 submss 13525 subm0cl 13527 submcl 13528 submmnd 13529 subgsubm 13749 opprnzr 14166 opprdomn 14255 zrhval 14597 istopfin 14690 uniopn 14691 iunopn 14692 inopn 14693 eltpsg 14730 basis1 14737 basis2 14738 eltg4i 14745 lmff 14939 psmetf 15015 psmet0 15017 psmettri2 15018 metflem 15039 xmetf 15040 xmeteq0 15049 xmettri2 15051 cncff 15267 cncfi 15268 limcresi 15356 dvcnp2cntop 15389 sinq34lt0t 15521 lgsdir2lem2 15724 2sqlem9 15819 uhgrfm 15889 ushgrfm 15890 upgrfen 15913 umgrfen 15923 uspgrfen 15973 usgrfen 15974 wlkcprim 16096 trlsv 16128 isclwwlkni 16150 |
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