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| Mirrors > Home > MPE Home > Th. List > ibi | Structured version Visualization version GIF 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 | ⊢ (𝜑 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| ibi | ⊢ (𝜑 → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 23 | . 2 ⊢ (𝜑 → 𝜑) | |
| 2 | ibi.1 | . 2 ⊢ (𝜑 → (𝜑 ↔ 𝜓)) | |
| 3 | 1, 2 | mpbid 235 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 210 |
| This theorem is referenced by: ibir 271 elab3gf 3646 elab3g 3647 elimhyp 4549 elimhyp2v 4550 elimhyp3v 4551 elimhyp4v 4552 elpwi 4565 elsni 4602 elpri 4609 eltpi 4650 snssi 4747 prssi 4782 snelpwi 5415 prelpwi 5418 elxpi 5673 releldmb 5926 relelrnb 5927 elrnmpt2d 5946 eloni 6359 limuni2 6413 funeu 6550 fneu 6635 fvelima2 6923 fvelima 6936 fvelimad 6938 eloprabi 8048 fo2ndf 8104 orderseqlem 8141 tfrlem9 8360 oeeulem 8575 elqsi 8751 qsel 8782 ecopovsym 8805 elpmi 8831 elmapi 8834 pmsspw 8863 brdomi 8944 en0 9003 en0r 9005 en1 9009 mapdom1 9118 rexdif1en 9133 ominf 9212 unblem2 9241 unfilem1 9253 fodomfir 9275 fiin 9370 brwdomi 9518 canthwdom 9529 brwdom3i 9533 unxpwdom 9539 scott0 9848 acni 10017 djuinf 10160 pwdjudom 10186 fin1ai 10265 fin2i 10267 fin4i 10270 ssfin3ds 10302 fin23lem17 10310 fin23lem38 10321 fin23lem39 10322 isfin32i 10337 fin34 10362 isfin7-2 10368 fin1a2lem13 10384 fin12 10385 gchi 10597 wuntr 10678 wununi 10679 wunpw 10680 wunpr 10682 wun0 10691 tskpwss 10725 tskpw 10726 tsken 10727 grutr 10766 grupw 10768 grupr 10770 gruurn 10771 ingru 10788 indpi 10880 eliooord 13420 fzrev3i 13607 fzne1 13620 elfzole1 13684 elfzolt2 13685 bcp1nk 14341 rere 15161 nn0abscl 15351 climcl 15538 rlimcl 15542 rlimdm 15590 o1res 15599 rlimdmo1 15657 climcau 15710 caucvgb 15719 fprodcnv 16025 cshws0 17149 restsspw 17472 mreiincl 17636 catidex 17718 catcocl 17729 catass 17730 homa1 18082 homahom2 18083 odulat 18479 dlatjmdi 18570 psrel 18613 psref2 18614 pstr2 18615 reldir 18643 dirdm 18644 dirref 18645 dirtr 18646 dirge 18647 chnub 18666 mgmcl 18689 submgmss 18751 submgmcl 18753 submgmmgm 18754 submss 18855 subm0cl 18857 submcl 18858 submmnd 18860 efmndbasf 18922 subgsubm 19203 symgbasf1o 19433 symginv 19460 psgneu 19564 odmulg 19614 frgpnabl 19933 dprdgrp 20065 dprdf 20066 abvfge0 20883 abveq0 20887 abvmul 20890 abvtri 20891 orngsqr 20935 lbsss 21164 lbssp 21166 lbsind 21167 domnchr 21639 cssi 21791 linds1 21917 linds2 21918 lindsind 21924 opsrtoslem2 22164 opsrso 22166 mdetunilem9 22734 uniopn 23011 iunopn 23012 inopn 23013 fiinopn 23015 eltpsg 23057 basis1 23064 basis2 23065 eltg4i 23074 lmff 23415 t1sep2 23483 cmpfii 23523 ptfinfin 23633 kqhmph 23933 fbasne0 23944 0nelfb 23945 fbsspw 23946 fbasssin 23950 ufli 24028 uffixfr 24037 elfm 24061 fclsopni 24129 fclselbas 24130 ustssxp 24319 ustbasel 24321 ustincl 24322 ustdiag 24323 ustinvel 24324 ustexhalf 24325 ustfilxp 24327 ustbas2 24339 ustbas 24341 psmetf 24420 psmet0 24422 psmettri2 24423 metflem 24442 xmetf 24443 xmeteq0 24452 xmettri2 24454 tmsxms 24600 tmsms 24601 metustsym 24669 tngnrg 24788 cncff 25009 cncfi 25010 cfili 25384 iscmet3lem2 25408 mbfres 25760 mbfimaopnlem 25771 limcresi 26001 dvcnp2 26036 ulmcl 26498 ulmf 26499 ulmcau 26512 pserulm 26539 pserdvlem2 26545 sinq34lt0t 26628 logtayl 26779 dchrmhm 27359 lgsdir2lem2 27444 2sqlem9 27545 mulog2sum 27655 newbdayim 28050 eleei 29152 uhgrf 29317 ushgrf 29318 upgrf 29341 umgrf 29353 uspgrf 29409 usgrf 29410 usgrfs 29412 nbcplgr 29689 clwlkcompim 30034 tncp 30735 eulplig 30742 grpofo 30756 grpolidinv 30758 grpoass 30760 nvvop 30866 phpar 31081 pjch1 31927 nn0mnfxrd 33004 toslub 33201 tosglb 33203 suppgsumssiun 33300 exsslsb 33899 fldextsubrg 33951 fldextress 33953 zhmnrg 34267 issgon 34425 measfrge0 34505 measvnul 34508 measvun 34511 fzssfzo 34841 bnj916 35233 bnj983 35251 cplgredgex 35479 acycgrcycl 35505 mfsdisj 35908 mtyf2 35909 maxsta 35912 mvtinf 35913 r1peuqusdeg1 36001 hfun 36536 hfsn 36537 hfelhf 36539 hfuni 36542 hfpw 36543 fneuni 36715 elttcirr 36899 curryset 37438 mptsnunlem 37839 heibor1lem 38315 heiborlem1 38317 heiborlem3 38319 opidonOLD 38358 isexid2 38361 elrelsrelim 38949 presucmap 39001 eqvrelqsel 39206 eldisjsim1 39440 elpcliN 40524 lnrfg 43703 sdomne0 43996 sdomne0d 43997 pwinfi2 44145 frege55lem1c 44499 gneispacef 44718 gneispacef2 44719 gneispacern2 44722 gneispace0nelrn 44723 gneispaceel 44726 gneispacess 44728 mnuop123d 44831 trintALTVD 45447 trintALT 45448 eliuniin 45676 eliuniin2 45697 disjrnmpt2 45765 stoweidlem35 46608 saluncl 46890 saldifcl 46892 0sal 46893 sge0resplit 46979 omedm 47072 funressneu 47640 afvelrnb0 47757 afvelima 47760 rlimdmafv 47770 funressndmafv2rn 47816 rlimdmafv2 47851 elsetpreimafv 47990 oexpnegALTV 48298 gricbri 48537 grlimprop2 48607 grilcbri 48630 asslawass 48814 linindsi 49079 inisegn0a 49466 eloprab1st2nd 49498 uobrcl 49823 uobeq2 50031 isinito2 50129 basrestermcfolem 50201 discsnterm 50204 islmd 50295 |
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