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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 232 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 |
| 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 207 |
| This theorem is referenced by: ibir 268 elab3gf 3653 elab3g 3654 elimhyp 4556 elimhyp2v 4557 elimhyp3v 4558 elimhyp4v 4559 elpwi 4572 elsni 4608 elpri 4615 eltpi 4654 snssi 4774 prssi 4787 snelpwi 5405 prelpwi 5409 elxpi 5662 releldmb 5912 relelrnb 5913 elrnmpt2d 5932 eloni 6344 limuni2 6397 funeu 6543 fneu 6630 fvelima2 6915 fvelima 6928 fvelimad 6930 eloprabi 8044 fo2ndf 8102 orderseqlem 8138 tfrlem9 8355 oeeulem 8567 elqsi 8741 qsel 8771 ecopovsym 8794 elpmi 8821 elmapi 8824 pmsspw 8852 brdomi 8933 en0 8991 en0r 8993 en1 8997 undomOLD 9033 mapdom1 9111 rexdif1en 9127 ominf 9211 ominfOLD 9212 unblem2 9246 unfilem1 9260 fodomfir 9285 fiin 9379 brwdomi 9527 canthwdom 9538 brwdom3i 9542 unxpwdom 9548 scott0 9845 acni 10004 djuinf 10148 pwdjudom 10174 fin1ai 10252 fin2i 10254 fin4i 10257 ssfin3ds 10289 fin23lem17 10297 fin23lem38 10308 fin23lem39 10309 isfin32i 10324 fin34 10349 isfin7-2 10355 fin1a2lem13 10371 fin12 10372 gchi 10583 wuntr 10664 wununi 10665 wunpw 10666 wunpr 10668 wun0 10677 tskpwss 10711 tskpw 10712 tsken 10713 grutr 10752 grupw 10754 grupr 10756 gruurn 10757 ingru 10774 indpi 10866 eliooord 13372 fzrev3i 13558 fzne1 13571 elfzole1 13634 elfzolt2 13635 bcp1nk 14288 rere 15094 nn0abscl 15284 climcl 15471 rlimcl 15475 rlimdm 15523 o1res 15532 rlimdmo1 15590 climcau 15643 caucvgb 15652 fprodcnv 15955 cshws0 17078 restsspw 17400 mreiincl 17563 catidex 17641 catcocl 17652 catass 17653 homa1 18005 homahom2 18006 odulat 18400 dlatjmdi 18491 psrel 18534 psref2 18535 pstr2 18536 reldir 18564 dirdm 18565 dirref 18566 dirtr 18567 dirge 18568 mgmcl 18576 submgmss 18638 submgmcl 18640 submgmmgm 18641 submss 18742 subm0cl 18744 submcl 18745 submmnd 18746 efmndbasf 18808 subgsubm 19086 symgbasf1o 19311 symginv 19338 psgneu 19442 odmulg 19492 frgpnabl 19811 dprdgrp 19943 dprdf 19944 abvfge0 20729 abveq0 20733 abvmul 20736 abvtri 20737 lbsss 20990 lbssp 20992 lbsind 20993 domnchr 21448 cssi 21599 linds1 21725 linds2 21726 lindsind 21732 opsrtoslem2 21969 opsrso 21971 mdetunilem9 22513 uniopn 22790 iunopn 22791 inopn 22792 fiinopn 22794 eltpsg 22836 basis1 22843 basis2 22844 eltg4i 22853 lmff 23194 t1sep2 23262 cmpfii 23302 ptfinfin 23412 kqhmph 23712 fbasne0 23723 0nelfb 23724 fbsspw 23725 fbasssin 23729 ufli 23807 uffixfr 23816 elfm 23840 fclsopni 23908 fclselbas 23909 ustssxp 24098 ustbasel 24100 ustincl 24101 ustdiag 24102 ustinvel 24103 ustexhalf 24104 ustfilxp 24106 ustbas2 24119 ustbas 24121 psmetf 24200 psmet0 24202 psmettri2 24203 metflem 24222 xmetf 24223 xmeteq0 24232 xmettri2 24234 tmsxms 24380 tmsms 24381 metustsym 24449 tngnrg 24568 cncff 24792 cncfi 24793 cfili 25174 iscmet3lem2 25198 mbfres 25551 mbfimaopnlem 25562 limcresi 25792 dvcnp2 25827 dvcnp2OLD 25828 ulmcl 26296 ulmf 26297 ulmcau 26310 pserulm 26337 pserdvlem2 26344 sinq34lt0t 26424 logtayl 26575 dchrmhm 27158 lgsdir2lem2 27243 2sqlem9 27344 mulog2sum 27454 newbdayim 27820 eleei 28830 uhgrf 28995 ushgrf 28996 upgrf 29019 umgrf 29031 uspgrf 29087 usgrf 29088 usgrfs 29090 nbcplgr 29367 clwlkcompim 29716 tncp 30413 eulplig 30420 grpofo 30434 grpolidinv 30436 grpoass 30438 nvvop 30544 phpar 30759 pjch1 31605 toslub 32905 tosglb 32907 chnub 32944 orngsqr 33288 exsslsb 33598 fldextsubrg 33651 fldextress 33653 zhmnrg 33961 issgon 34119 measfrge0 34199 measvnul 34202 measvun 34205 fzssfzo 34536 bnj916 34929 bnj983 34947 cplgredgex 35108 acycgrcycl 35134 mfsdisj 35537 mtyf2 35538 maxsta 35541 mvtinf 35542 r1peuqusdeg1 35630 hfun 36161 hfsn 36162 hfelhf 36164 hfuni 36167 hfpw 36168 fneuni 36330 curryset 36929 mptsnunlem 37321 heibor1lem 37798 heiborlem1 37800 heiborlem3 37802 opidonOLD 37841 isexid2 37844 elrelsrelim 38474 eqvrelqsel 38602 elpcliN 39882 lnrfg 43101 sdomne0 43395 sdomne0d 43396 pwinfi2 43544 frege55lem1c 43898 gneispacef 44117 gneispacef2 44118 gneispacern2 44121 gneispace0nelrn 44122 gneispaceel 44125 gneispacess 44127 mnuop123d 44244 trintALTVD 44862 trintALT 44863 eliuniin 45086 eliuniin2 45107 disjrnmpt2 45175 stoweidlem35 46026 saluncl 46308 saldifcl 46310 0sal 46311 sge0resplit 46397 omedm 46490 funressneu 47038 afvelrnb0 47155 afvelima 47158 rlimdmafv 47168 funressndmafv2rn 47214 rlimdmafv2 47249 elsetpreimafv 47376 oexpnegALTV 47668 gricbri 47906 grlimprop2 47975 grilcbri 47991 asslawass 48171 linindsi 48426 inisegn0a 48814 eloprab1st2nd 48846 uobrcl 49172 uobeq2 49380 isinito2 49478 basrestermcfolem 49550 discsnterm 49553 islmd 49644 |
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