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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 3646 elab3g 3647 elimhyp 4558 elimhyp2v 4559 elimhyp3v 4560 elimhyp4v 4561 elpwi 4574 elsni 4611 elpri 4618 eltpi 4659 snssi 4756 prssi 4792 snelpwi 5430 prelpwi 5433 elxpi 5688 releldmb 5941 relelrnb 5942 elrnmpt2d 5961 eloni 6377 limuni2 6431 funeu 6568 fneu 6652 fvelima2 6940 fvelima 6953 fvelimad 6955 eloprabi 8069 fo2ndf 8125 orderseqlem 8162 tfrlem9 8381 oeeulem 8596 elqsi 8772 qsel 8803 ecopovsym 8826 elpmi 8852 elmapi 8855 pmsspw 8884 brdomi 8965 en0 9024 en0r 9026 en1 9030 mapdom1 9140 rexdif1en 9155 ominf 9234 unblem2 9263 unfilem1 9275 fodomfir 9297 fiin 9392 brwdomi 9540 canthwdom 9551 brwdom3i 9555 unxpwdom 9561 scott0b 9876 scott0OLD 9877 acni 10048 djuinf 10191 pwdjudom 10217 fin1ai 10295 fin2i 10297 fin4i 10300 ssfin3ds 10332 fin23lem17 10340 fin23lem38 10351 fin23lem39 10352 isfin32i 10367 fin34 10392 isfin7-2 10398 fin1a2lem13 10414 fin12 10415 gchi 10627 wuntr 10708 wununi 10709 wunpw 10710 wunpr 10712 wun0 10721 tskpwss 10755 tskpw 10756 tsken 10757 grutr 10796 grupw 10798 grupr 10800 gruurn 10801 ingru 10818 indpi 10910 eliooord 13450 fzrev3i 13638 fzne1 13651 elfzole1 13715 elfzolt2 13716 bcp1nk 14373 rere 15199 nn0abscl 15389 climcl 15576 rlimcl 15580 rlimdm 15628 o1res 15637 rlimdmo1 15695 climcau 15748 caucvgb 15757 fprodcnv 16063 cshws0 17186 restsspw 17509 mreiincl 17673 catidex 17755 catcocl 17766 catass 17767 homa1 18119 homahom2 18120 odulat 18516 dlatjmdi 18607 psrel 18650 psref2 18651 pstr2 18652 reldir 18680 dirdm 18681 dirref 18682 dirtr 18683 dirge 18684 chnub 18703 mgmcl 18726 submgmss 18792 submgmcl 18794 submgmmgm 18795 submss 18898 subm0cl 18900 submcl 18901 submmnd 18903 efmndbasf 18965 subgsubm 19246 symgbasf1o 19476 symginv 19503 psgneu 19607 odmulg 19657 frgpnabl 19976 dprdgrp 20108 dprdf 20109 abvfge0 20954 abveq0 20958 abvmul 20961 abvtri 20962 orngsqr 21006 lbsss 21235 lbssp 21237 lbsind 21238 domnchr 21719 cssi 21871 linds1 21997 linds2 21998 lindsind 22004 opsrtoslem2 22244 opsrso 22246 mdetunilem9 22814 uniopn 23091 iunopn 23092 inopn 23093 fiinopn 23095 eltpsg 23137 basis1 23144 basis2 23145 eltg4i 23154 lmff 23495 t1sep2 23563 cmpfii 23603 ptfinfin 23713 kqhmph 24013 fbasne0 24024 0nelfb 24025 fbsspw 24026 fbasssin 24030 ufli 24108 uffixfr 24117 elfm 24141 fclsopni 24209 fclselbas 24210 ustssxp 24399 ustbasel 24401 ustincl 24402 ustdiag 24403 ustinvel 24404 ustexhalf 24405 ustfilxp 24407 ustbas2 24419 ustbas 24421 psmetf 24500 psmet0 24502 psmettri2 24503 metflem 24522 xmetf 24523 xmeteq0 24532 xmettri2 24534 tmsxms 24680 tmsms 24681 metustsym 24749 tngnrg 24868 cncff 25089 cncfi 25090 cfili 25464 iscmet3lem2 25488 mbfres 25840 mbfimaopnlem 25851 limcresi 26081 dvcnp2 26116 ulmcl 26581 ulmf 26582 ulmcau 26595 pserulm 26622 pserdvlem2 26628 sinq34lt0t 26711 logtayl 26862 dchrmhm 27442 lgsdir2lem2 27527 2sqlem9 27628 mulog2sum 27738 newbdayim 28133 eleei 29284 uhgrf 29449 ushgrf 29450 upgrf 29473 umgrf 29485 uspgrf 29541 usgrf 29542 usgrfs 29544 nbcplgr 29821 clwlkcompim 30166 tncp 30867 eulplig 30874 grpofo 30888 grpolidinv 30890 grpoass 30892 nvvop 30998 phpar 31213 pjch1 32059 nn0mnfxrd 33133 toslub 33324 tosglb 33326 suppgsumssiun 33423 exsslsb 34018 fldextsubrg 34070 fldextress 34072 zhmnrg 34386 issgon 34544 measfrge0 34625 measvnul 34628 measvun 34631 fzssfzo 34961 bnj916 35353 bnj983 35371 elkarden 35592 cplgredgex 35634 acycgrcycl 35660 mfsdisj 36063 mtyf2 36064 maxsta 36067 mvtinf 36068 r1peuqusdeg1 36156 hfun 36691 hfsn 36692 hfelhf 36694 hfuni 36697 hfpw 36698 fneuni 36899 elttcirr 37083 curryset 37623 mptsnunlem 38025 heibor1lem 38501 heiborlem1 38503 heiborlem3 38505 opidonOLD 38544 isexid2 38547 elrelsrelim 39133 presucmap 39185 eqvrelqsel 39390 eldisjsim1 39624 elpcliN 40708 lnrfg 43887 sdomne0 44180 sdomne0d 44181 pwinfi2 44329 frege55lem1c 44683 gneispacef 44902 gneispacef2 44903 gneispacern2 44906 gneispace0nelrn 44907 gneispaceel 44910 gneispacess 44912 mnuop123d 45013 trintALTVD 45629 trintALT 45630 eliuniin 45858 eliuniin2 45879 disjrnmpt2 45947 stoweidlem35 46790 saluncl 47072 saldifcl 47074 0sal 47075 sge0resplit 47161 omedm 47254 funressneu 47825 afvelrnb0 47942 afvelima 47945 rlimdmafv 47955 funressndmafv2rn 48001 rlimdmafv2 48036 elsetpreimafv 48175 oexpnegALTV 48483 gricbri 48722 grlimprop2 48792 grilcbri 48815 asslawass 48999 linindsi 49268 inisegn0a 49655 eloprab1st2nd 49687 uobrcl 50012 uobeq2 50220 isinito2 50318 basrestermcfolem 50390 discsnterm 50393 islmd 50484 |
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