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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 4604 elpri 4611 eltpi 4652 snssi 4749 prssi 4785 snelpwi 5423 prelpwi 5426 elxpi 5681 releldmb 5934 relelrnb 5935 elrnmpt2d 5954 eloni 6371 limuni2 6425 funeu 6562 fneu 6646 fvelima2 6934 fvelima 6947 fvelimad 6949 eloprabi 8064 fo2ndf 8122 orderseqlem 8159 tfrlem9 8378 oeeulem 8593 elqsi 8769 qsel 8800 ecopovsym 8823 elpmi 8849 elmapi 8852 pmsspw 8888 brdomi 8969 en0 9028 en0r 9030 en1 9034 mapdom1 9144 rexdif1en 9159 ominf 9238 unblem2 9267 unfilem1 9279 fodomfir 9301 fiin 9396 brwdomi 9544 canthwdom 9555 brwdom3i 9559 unxpwdom 9565 scott0b 9880 scott0OLD 9881 acni 10052 djuinf 10195 pwdjudom 10221 fin1ai 10299 fin2i 10301 fin4i 10304 ssfin3ds 10336 fin23lem17 10344 fin23lem38 10355 fin23lem39 10356 isfin32i 10371 fin34 10396 isfin7-2 10402 fin1a2lem13 10418 fin12 10419 gchi 10637 wuntr 10718 wununi 10719 wunpw 10720 wunpr 10722 wun0 10731 tskpwss 10765 tskpw 10766 tsken 10767 grutr 10806 grupw 10808 grupr 10810 gruurn 10811 ingru 10828 indpi 10920 eliooord 13462 fzrev3i 13650 fzne1 13663 elfzole1 13727 elfzolt2 13728 bcp1nk 14385 rere 15213 nn0abscl 15403 climcl 15590 rlimcl 15594 rlimdm 15642 o1res 15651 rlimdmo1 15709 climcau 15762 caucvgb 15771 fprodcnv 16076 cshws0 17199 restsspw 17522 mreiincl 17686 catidex 17768 catcocl 17779 catass 17780 homa1 18132 homahom2 18133 odulat 18529 dlatjmdi 18620 psrel 18663 psref2 18664 pstr2 18665 reldir 18693 dirdm 18694 dirref 18695 dirtr 18696 dirge 18697 chnub 18716 mgmcl 18739 submgmss 18813 submgmcl 18815 submgmmgm 18816 submss 18923 subm0cl 18925 submcl 18926 submmnd 18928 efmndbasf 18990 subgsubm 19278 symgbasf1o 19508 symginv 19535 psgneu 19639 odmulg 19689 frgpnabl 20008 dprdgrp 20140 dprdf 20141 abvfge0 20986 abveq0 20990 abvmul 20993 abvtri 20994 orngsqr 21038 lbsss 21267 lbssp 21269 lbsind 21270 domnchr 21751 cssi 21903 linds1 22029 linds2 22030 lindsind 22036 opsrtoslem2 22278 opsrso 22280 mdetunilem9 22848 uniopn 23128 iunopn 23129 inopn 23130 fiinopn 23132 eltpsg 23174 basis1 23181 basis2 23182 eltg4i 23191 lmff 23532 t1sep2 23600 cmpfii 23640 ptfinfin 23751 kqhmph 24051 fbasne0 24062 0nelfb 24063 fbsspw 24064 fbasssin 24068 ufli 24146 uffixfr 24155 elfm 24179 fclsopni 24247 fclselbas 24248 ustssxp 24437 ustbasel 24439 ustincl 24440 ustdiag 24441 ustinvel 24442 ustexhalf 24443 ustfilxp 24445 ustbas2 24457 ustbas 24459 psmetf 24538 psmet0 24540 psmettri2 24541 metflem 24560 xmetf 24561 xmeteq0 24570 xmettri2 24572 tmsxms 24718 tmsms 24719 metustsym 24787 tngnrg 24906 cncff 25127 cncfi 25128 cfili 25502 iscmet3lem2 25526 mbfres 25878 mbfimaopnlem 25889 limcresi 26119 dvcnp2 26154 ulmcl 26624 ulmf 26625 ulmcau 26638 pserulm 26665 pserdvlem2 26671 sinq34lt0t 26754 logtayl 26905 dchrmhm 27485 lgsdir2lem2 27570 2sqlem9 27671 mulog2sum 27781 newbdayim 28176 eleei 29362 uhgrf 29527 ushgrf 29528 upgrf 29551 umgrf 29563 uspgrf 29622 usgrf 29623 usgrfs 29625 nbcplgr 29902 clwlkcompim 30254 acycgrcycl 30640 tncp 30967 eulplig 30974 grpofo 30988 grpolidinv 30990 grpoass 30992 nvvop 31098 phpar 31313 pjch1 32159 nn0mnfxrd 33230 toslub 33421 tosglb 33423 suppgsumssiun 33520 exsslsb 34115 fldextsubrg 34167 fldextress 34169 zhmnrg 34483 issgon 34641 measfrge0 34722 measvnul 34725 measvun 34728 fzssfzo 35058 bnj916 35450 bnj983 35468 elkarden 35689 cplgredgex 35727 mfsdisj 36137 mtyf2 36138 maxsta 36141 mvtinf 36142 r1peuqusdeg1 36230 hfun 36766 hfsn 36767 hfelhf 36769 hfuni 36772 hfpw 36773 fneuni 36974 elttcirr 37158 curryset 37698 mptsnunlem 38100 heibor1lem 38567 heiborlem1 38569 heiborlem3 38571 opidonOLD 38610 isexid2 38613 elrelsrelim 39199 presucmap 39251 eqvrelqsel 39456 eldisjsim1 39690 elpcliN 40774 lnrfg 43968 sdomne0 44261 sdomne0d 44262 pwinfi2 44410 frege55lem1c 44764 gneispacef 44983 gneispacef2 44984 gneispacern2 44987 gneispace0nelrn 44988 gneispaceel 44991 gneispacess 44993 mnuop123d 45094 trintALTVD 45710 trintALT 45711 eliuniin 45939 eliuniin2 45960 disjrnmpt2 46028 stoweidlem35 46871 saluncl 47153 saldifcl 47155 0sal 47156 sge0resplit 47242 omedm 47335 funressneu 47943 afvelrnb0 48060 afvelima 48063 rlimdmafv 48073 funressndmafv2rn 48119 rlimdmafv2 48154 elsetpreimafv 48293 oexpnegALTV 48601 gricbri 48840 grlimprop2 48910 grilcbri 48933 asslawass 49116 linindsi 49385 inisegn0a 49772 eloprab1st2nd 49804 uobrcl 50127 uobeq2 50335 isinito2 50433 basrestermcfolem 50505 discsnterm 50508 islmd 50599 |
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