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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 3638 elab3g 3639 elimhyp 4548 elimhyp2v 4549 elimhyp3v 4550 elimhyp4v 4551 elpwi 4564 elsni 4601 elpri 4608 eltpi 4649 snssi 4746 prssi 4782 snelpwi 5412 prelpwi 5415 elxpi 5673 releldmb 5928 relelrnb 5929 elrnmpt2d 5948 eloni 6365 limuni2 6419 funeu 6557 fneu 6641 fvelima2 6929 fvelima 6942 fvelimad 6944 eloprabi 8063 fo2ndf 8121 orderseqlem 8158 tfrlem9 8377 oeeulem 8594 elqsi 8770 qsel 8801 ecopovsym 8824 elpmi 8850 elmapi 8853 pmsspw 8889 brdomi 8970 en0 9029 en0r 9031 en1 9035 mapdom1 9145 rexdif1en 9160 ominf 9239 unblem2 9269 unfilem1 9281 fodomfir 9303 fiin 9398 brwdomi 9546 canthwdom 9557 brwdom3i 9561 unxpwdom 9567 hfelhfOLD 9897 hfunOLD 9900 hfsnOLD 9902 hfuniOLD 9906 hfpwOLD 9908 scott0b 9918 scott0OLD 9919 acni 10105 djuinf 10248 pwdjudom 10274 fin1ai 10352 fin2i 10354 fin4i 10357 ssfin3ds 10389 fin23lem17 10397 fin23lem38 10408 fin23lem39 10409 isfin32i 10424 fin34 10449 isfin7-2 10455 fin1a2lem13 10471 fin12 10472 gchi 10690 wuntr 10771 wununi 10772 wunpw 10773 wunpr 10775 wun0 10784 tskpwss 10818 tskpw 10819 tsken 10820 grutr 10859 grupw 10861 grupr 10863 gruurn 10864 ingru 10881 indpi 10973 eliooord 13517 fzrev3i 13705 fzne1 13718 elfzole1 13782 elfzolt2 13783 bcp1nk 14441 rere 15269 nn0abscl 15459 climcl 15646 rlimcl 15650 rlimdm 15698 o1res 15707 rlimdmo1 15765 climcau 15818 caucvgb 15827 fprodcnv 16130 cshws0 17259 restsspw 17582 mreiincl 17746 catidex 17828 catcocl 17839 catass 17840 homa1 18192 homahom2 18193 odulat 18589 dlatjmdi 18680 psrel 18723 psref2 18724 pstr2 18725 reldir 18753 dirdm 18754 dirref 18755 dirtr 18756 dirge 18757 chnub 18776 mgmcl 18799 submgmss 18874 submgmcl 18876 submgmmgm 18877 submss 18984 subm0cl 18986 submcl 18987 submmnd 18989 efmndbasf 19051 subgsubm 19339 symgbasf1o 19569 symginv 19596 psgneu 19700 odmulg 19750 frgpnabl 20069 dprdgrp 20201 dprdf 20202 abvfge0 21051 abveq0 21055 abvmul 21058 abvtri 21059 orngsqr 21103 lbsss 21332 lbssp 21334 lbsind 21335 domnchr 21818 cssi 21970 linds1 22096 linds2 22097 lindsind 22103 opsrtoslem2 22345 opsrso 22347 mdetunilem9 22915 uniopn 23195 iunopn 23196 inopn 23197 fiinopn 23199 eltpsg 23241 basis1 23248 basis2 23249 eltg4i 23258 lmff 23599 t1sep2 23667 cmpfii 23707 ptfinfin 23818 kqhmph 24118 fbasne0 24129 0nelfb 24130 fbsspw 24131 fbasssin 24135 ufli 24213 uffixfr 24222 elfm 24246 fclsopni 24314 fclselbas 24315 ustssxp 24504 ustbasel 24506 ustincl 24507 ustdiag 24508 ustinvel 24509 ustexhalf 24510 ustfilxp 24512 ustbas2 24524 ustbas 24526 psmetf 24605 psmet0 24607 psmettri2 24608 metflem 24627 xmetf 24628 xmeteq0 24637 xmettri2 24639 tmsxms 24785 tmsms 24786 metustsym 24854 tngnrg 24973 cncff 25194 cncfi 25195 cfili 25569 iscmet3lem2 25593 mbfres 25945 mbfimaopnlem 25956 limcresi 26185 dvcnp2 26220 ulmcl 26690 ulmf 26691 ulmcau 26704 pserulm 26731 pserdvlem2 26737 sinq34lt0t 26820 logtayl 26970 dchrmhm 27550 lgsdir2lem2 27635 2sqlem9 27736 mulog2sum 27846 newbdayim 28271 eleei 29457 uhgrf 29622 ushgrf 29623 upgrf 29646 umgrf 29658 uspgrf 29717 usgrf 29718 usgrfs 29720 nbcplgr 29997 clwlkcompim 30349 acycgrcycl 30735 tncp 31062 eulplig 31069 grpofo 31083 grpolidinv 31085 grpoass 31087 nvvop 31193 phpar 31408 pjch1 32254 nn0mnfxrd 33325 toslub 33516 tosglb 33518 suppgsumssiun 33615 exsslsb 34211 fldextsubrg 34263 fldextress 34265 zhmnrg 34579 issgon 34737 measfrge0 34818 measvnul 34821 measvun 34824 fzssfzo 35154 bnj916 35546 bnj983 35564 elkarden 35796 cplgredgex 35874 mfsdisj 36284 mtyf2 36285 maxsta 36288 mvtinf 36289 r1peuqusdeg1 36377 fneuni 37105 elttcirr 37289 curryset 37829 mptsnunlem 38229 heibor1lem 38711 heiborlem1 38713 heiborlem3 38715 opidonOLD 38754 isexid2 38757 elrelsrelim 39343 presucmap 39395 eqvrelqsel 39600 eldisjsim1 39834 elpcliN 40918 lnrfg 44079 sdomne0 44372 sdomne0d 44373 pwinfi2 44521 frege55lem1c 44875 gneispacef 45094 gneispacef2 45095 gneispacern2 45098 gneispace0nelrn 45099 gneispaceel 45102 gneispacess 45104 mnuop123d 45205 trintALTVD 45821 trintALT 45822 eliuniin 46057 eliuniin2 46078 disjrnmpt2 46146 stoweidlem35 46989 saluncl 47271 saldifcl 47273 0sal 47274 sge0resplit 47360 omedm 47453 funressneu 48061 afvelrnb0 48178 afvelima 48181 rlimdmafv 48191 funressndmafv2rn 48237 rlimdmafv2 48272 elsetpreimafv 48411 oexpnegALTV 48719 gricbri 48958 grlimprop2 49028 grilcbri 49051 asslawass 49234 linindsi 49503 inisegn0a 49890 eloprab1st2nd 49922 uobrcl 50245 uobeq2 50453 isinito2 50551 basrestermcfolem 50623 discsnterm 50626 islmd 50717 |
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