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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 22 | . 2 ⊢ (𝜑 → 𝜑) | |
| 2 | ibi.1 | . 2 ⊢ (𝜑 → (𝜑 ↔ 𝜓)) | |
| 3 | 1, 2 | mpbid 233 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 |
| 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 208 |
| This theorem is referenced by: ibir 269 elab3gf 3629 elab3g 3630 elimhyp 4527 elimhyp2v 4528 elimhyp3v 4529 elimhyp4v 4530 elpwi 4543 elsni 4579 elpri 4586 eltpi 4627 snssi 4724 prssi 4759 snelpwi 5390 prelpwi 5393 elxpi 5647 releldmb 5895 relelrnb 5896 elrnmpt2d 5915 eloni 6327 limuni2 6380 funeu 6517 fneu 6602 fvelima2 6886 fvelima 6899 fvelimad 6901 eloprabi 8012 fo2ndf 8067 orderseqlem 8104 tfrlem9 8321 oeeulem 8534 elqsi 8709 qsel 8740 ecopovsym 8763 elpmi 8790 elmapi 8793 pmsspw 8822 brdomi 8903 en0 8962 en0r 8964 en1 8968 mapdom1 9077 rexdif1en 9092 ominf 9171 unblem2 9200 unfilem1 9212 fodomfir 9235 fiin 9332 brwdomi 9480 canthwdom 9491 brwdom3i 9495 unxpwdom 9501 scott0 9808 acni 9965 djuinf 10109 pwdjudom 10135 fin1ai 10213 fin2i 10215 fin4i 10218 ssfin3ds 10250 fin23lem17 10258 fin23lem38 10269 fin23lem39 10270 isfin32i 10285 fin34 10310 isfin7-2 10316 fin1a2lem13 10332 fin12 10333 gchi 10545 wuntr 10626 wununi 10627 wunpw 10628 wunpr 10630 wun0 10639 tskpwss 10673 tskpw 10674 tsken 10675 grutr 10714 grupw 10716 grupr 10718 gruurn 10719 ingru 10736 indpi 10828 eliooord 13356 fzrev3i 13543 fzne1 13556 elfzole1 13620 elfzolt2 13621 bcp1nk 14277 rere 15082 nn0abscl 15272 climcl 15459 rlimcl 15463 rlimdm 15511 o1res 15520 rlimdmo1 15578 climcau 15631 caucvgb 15640 fprodcnv 15946 cshws0 17070 restsspw 17392 mreiincl 17556 catidex 17638 catcocl 17649 catass 17650 homa1 18002 homahom2 18003 odulat 18399 dlatjmdi 18490 psrel 18533 psref2 18534 pstr2 18535 reldir 18563 dirdm 18564 dirref 18565 dirtr 18566 dirge 18567 chnub 18586 mgmcl 18609 submgmss 18671 submgmcl 18673 submgmmgm 18674 submss 18775 subm0cl 18777 submcl 18778 submmnd 18779 efmndbasf 18841 subgsubm 19122 symgbasf1o 19348 symginv 19375 psgneu 19479 odmulg 19529 frgpnabl 19848 dprdgrp 19980 dprdf 19981 abvfge0 20793 abveq0 20797 abvmul 20800 abvtri 20801 orngsqr 20845 lbsss 21074 lbssp 21076 lbsind 21077 domnchr 21514 cssi 21666 linds1 21792 linds2 21793 lindsind 21799 opsrtoslem2 22039 opsrso 22041 mdetunilem9 22610 uniopn 22887 iunopn 22888 inopn 22889 fiinopn 22891 eltpsg 22933 basis1 22940 basis2 22941 eltg4i 22950 lmff 23291 t1sep2 23359 cmpfii 23399 ptfinfin 23509 kqhmph 23809 fbasne0 23820 0nelfb 23821 fbsspw 23822 fbasssin 23826 ufli 23904 uffixfr 23913 elfm 23937 fclsopni 24005 fclselbas 24006 ustssxp 24195 ustbasel 24197 ustincl 24198 ustdiag 24199 ustinvel 24200 ustexhalf 24201 ustfilxp 24203 ustbas2 24215 ustbas 24217 psmetf 24296 psmet0 24298 psmettri2 24299 metflem 24318 xmetf 24319 xmeteq0 24328 xmettri2 24330 tmsxms 24476 tmsms 24477 metustsym 24545 tngnrg 24664 cncff 24885 cncfi 24886 cfili 25260 iscmet3lem2 25284 mbfres 25636 mbfimaopnlem 25647 limcresi 25877 dvcnp2 25912 ulmcl 26371 ulmf 26372 ulmcau 26385 pserulm 26412 pserdvlem2 26418 sinq34lt0t 26498 logtayl 26649 dchrmhm 27229 lgsdir2lem2 27314 2sqlem9 27415 mulog2sum 27525 newbdayim 27920 eleei 28991 uhgrf 29156 ushgrf 29157 upgrf 29180 umgrf 29192 uspgrf 29248 usgrf 29249 usgrfs 29251 nbcplgr 29528 clwlkcompim 29873 tncp 30574 eulplig 30581 grpofo 30595 grpolidinv 30597 grpoass 30599 nvvop 30705 phpar 30920 pjch1 31766 nn0mnfxrd 32850 toslub 33059 tosglb 33061 suppgsumssiun 33160 exsslsb 33788 fldextsubrg 33840 fldextress 33842 zhmnrg 34156 issgon 34314 measfrge0 34394 measvnul 34397 measvun 34400 fzssfzo 34730 bnj916 35122 bnj983 35140 cplgredgex 35356 acycgrcycl 35382 mfsdisj 35785 mtyf2 35786 maxsta 35789 mvtinf 35790 r1peuqusdeg1 35878 hfun 36413 hfsn 36414 hfelhf 36416 hfuni 36419 hfpw 36420 fneuni 36582 elttcirr 36766 curryset 37306 mptsnunlem 37707 heibor1lem 38183 heiborlem1 38185 heiborlem3 38187 opidonOLD 38226 isexid2 38229 elrelsrelim 38817 presucmap 38869 eqvrelqsel 39074 eldisjsim1 39308 elpcliN 40392 lnrfg 43571 sdomne0 43864 sdomne0d 43865 pwinfi2 44013 frege55lem1c 44367 gneispacef 44586 gneispacef2 44587 gneispacern2 44590 gneispace0nelrn 44591 gneispaceel 44594 gneispacess 44596 mnuop123d 44713 trintALTVD 45330 trintALT 45331 eliuniin 45553 eliuniin2 45574 disjrnmpt2 45642 stoweidlem35 46485 saluncl 46767 saldifcl 46769 0sal 46770 sge0resplit 46856 omedm 46949 funressneu 47517 afvelrnb0 47634 afvelima 47637 rlimdmafv 47647 funressndmafv2rn 47693 rlimdmafv2 47728 elsetpreimafv 47867 oexpnegALTV 48175 gricbri 48414 grlimprop2 48484 grilcbri 48507 asslawass 48691 linindsi 48945 inisegn0a 49333 eloprab1st2nd 49365 uobrcl 49690 uobeq2 49898 isinito2 49996 basrestermcfolem 50068 discsnterm 50071 islmd 50162 |
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