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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 |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 |
| This theorem is used by: ibir 271 elab3gf 3641 elab3g 3642 elimhyp 4551 elimhyp2v 4552 elimhyp3v 4553 elimhyp4v 4554 elpwi 4567 elsni 4601 elpri 4608 eltpi 4649 snssi 4746 prssi 4780 snelpwi 5417 prelpwi 5420 elxpi 5678 releldmb 5936 relelrnb 5937 elrnmpt2d 5956 eloni 6393 limuni2 6447 funeu 6588 fneu 6674 fvelima2 6963 fvelima 6976 fvelimad 6978 eloprabi 8102 fo2ndf 8162 orderseqlem 8204 tfrlem9 8424 oeeulem 8641 elqsi 8817 qsel 8848 ecopovsym 8871 elpmi 8897 elmapi 8900 pmsspw 8936 brdomi 9017 en0 9076 en0r 9078 en1 9082 mapdom1 9192 rexdif1en 9207 ominf 9286 unblem2 9316 unfilem1 9328 fodomfir 9350 fiin 9444 brwdomi 9592 canthwdom 9603 brwdom3i 9607 unxpwdom 9613 hfelhfOLD 9946 hfunOLD 9949 hfsnOLD 9951 hfuniOLD 9955 hfpwOLD 9957 scott0b 9967 scott0OLD 9968 acni 10154 djuinf 10297 pwdjudom 10323 fin1ai 10401 fin2i 10403 fin4i 10406 ssfin3ds 10438 fin23lem17 10446 fin23lem38 10457 fin23lem39 10458 isfin32i 10473 fin34 10498 isfin7-2 10504 fin1a2lem13 10520 fin12 10521 gchi 10739 wuntr 10820 wununi 10821 wunpw 10822 wunpr 10824 wun0 10833 tskpwss 10867 tskpw 10868 tsken 10869 grutr 10908 grupw 10910 grupr 10912 gruurn 10913 ingru 10930 indpi 11022 eliooord 13566 fzrev3i 13755 fzne1 13768 elfzole1 13832 elfzolt2 13833 bcp1nk 14491 rere 15321 nn0abscl 15511 climcl 15698 rlimcl 15702 rlimdm 15750 o1res 15759 rlimdmo1 15817 climcau 15870 caucvgb 15879 fprodcnv 16182 cshws0 17311 restsspw 17634 mreiincl 17798 catidex 17880 catcocl 17891 catass 17892 homa1 18244 homahom2 18245 odulat 18641 dlatjmdi 18732 psrel 18775 psref2 18776 pstr2 18777 reldir 18805 dirdm 18806 dirref 18807 dirtr 18808 dirge 18809 chnub 18828 mgmcl 18851 submgmss 18926 submgmcl 18928 submgmmgm 18929 submss 19036 subm0cl 19038 submcl 19039 submmnd 19041 efmndbasf 19103 subgsubm 19391 symgbasf1o 19622 symginv 19649 psgneu 19753 odmulg 19803 frgpnabl 20122 dprdgrp 20254 dprdf 20255 abvfge0 21104 abveq0 21108 abvmul 21111 abvtri 21112 orngsqr 21156 lbsss 21385 lbssp 21387 lbsind 21388 domnchr 21871 cssi 22023 linds1 22149 linds2 22150 lindsind 22156 opsrtoslem2 22398 opsrso 22400 mdetunilem9 22968 uniopn 23248 iunopn 23249 inopn 23250 fiinopn 23252 eltpsg 23294 basis1 23301 basis2 23302 eltg4i 23311 lmff 23652 t1sep2 23720 cmpfii 23760 ptfinfin 23871 kqhmph 24171 fbasne0 24182 0nelfb 24183 fbsspw 24184 fbasssin 24188 ufli 24266 uffixfr 24275 elfm 24299 fclsopni 24367 fclselbas 24368 ustssxp 24557 ustbasel 24559 ustincl 24560 ustdiag 24561 ustinvel 24562 ustexhalf 24563 ustfilxp 24565 ustbas2 24577 ustbas 24579 psmetf 24658 psmet0 24660 psmettri2 24661 metflem 24680 xmetf 24681 xmeteq0 24690 xmettri2 24692 tmsxms 24838 tmsms 24839 metustsym 24907 tngnrg 25026 cncff 25247 cncfi 25248 cfili 25622 iscmet3lem2 25646 mbfres 25998 mbfimaopnlem 26009 limcresi 26238 dvcnp2 26273 ulmcl 26741 ulmf 26742 ulmcau 26755 pserulm 26782 pserdvlem2 26788 sinq34lt0t 26871 logtayl 27021 dchrmhm 27601 lgsdir2lem2 27686 2sqlem9 27787 mulog2sum 27897 newbdayim 28322 eleei 29508 uhgrf 29673 ushgrf 29674 upgrf 29697 umgrf 29709 uspgrf 29768 usgrf 29769 usgrfs 29771 nbcplgr 30048 clwlkcompim 30400 acycgrcycl 30786 tncp 31113 eulplig 31120 grpofo 31134 grpolidinv 31136 grpoass 31138 nvvop 31244 phpar 31459 pjch1 32305 nn0mnfxrd 33416 toslub 33607 tosglb 33609 suppgsumssiun 33709 exsslsb 34312 fldextsubrg 34364 fldextress 34366 zhmnrg 34680 issgon 34838 measfrge0 34919 measvnul 34922 measvun 34925 fzssfzo 35254 bnj916 35646 bnj983 35664 elkarden 35936 cplgredgex 36075 mfsdisj 36495 mtyf2 36496 maxsta 36499 mvtinf 36500 r1peuqusdeg1 36588 fneuni 37326 elttcirr 37510 curryset 38050 mptsnunlem 38466 heibor1lem 38946 heiborlem1 38948 heiborlem3 38950 opidonOLD 38989 isexid2 38992 elrelsrelim 39578 presucmap 39630 eqvrelqsel 39835 eldisjsim1 40069 elpcliN 41153 lnrfg 44324 sdomne0 44617 sdomne0d 44618 pwinfi2 44766 frege55lem1c 45119 gneispacef 45338 gneispacef2 45339 gneispacern2 45342 gneispace0nelrn 45343 gneispaceel 45346 gneispacess 45348 mnuop123d 45449 trintALTVD 46064 trintALT 46065 hfstructstruct 46234 eliuniin 46329 eliuniin2 46350 disjrnmpt2 46418 stoweidlem35 47260 saluncl 47542 saldifcl 47544 0sal 47545 sge0resplit 47631 omedm 47724 funressneu 48332 afvelrnb0 48449 afvelima 48452 rlimdmafv 48462 funressndmafv2rn 48508 rlimdmafv2 48543 elsetpreimafv 48682 oexpnegALTV 48990 gricbri 49229 grlimprop2 49299 grilcbri 49322 asslawass 49505 linindsi 49774 inisegn0a 50162 eloprab1st2nd 50194 uobrcl 50524 uobeq2 50751 isinito2 50849 basrestermcfolem 50924 discsnterm 50927 islmd 51063 |
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