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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 3627 elab3g 3628 elimhyp 4532 elimhyp2v 4533 elimhyp3v 4534 elimhyp4v 4535 elpwi 4548 elsni 4584 elpri 4591 eltpi 4632 snssi 4729 prssi 4764 snelpwi 5396 prelpwi 5399 elxpi 5653 releldmb 5901 relelrnb 5902 elrnmpt2d 5921 eloni 6333 limuni2 6386 funeu 6523 fneu 6608 fvelima2 6892 fvelima 6905 fvelimad 6907 eloprabi 8016 fo2ndf 8071 orderseqlem 8107 tfrlem9 8324 oeeulem 8537 elqsi 8712 qsel 8743 ecopovsym 8766 elpmi 8793 elmapi 8796 pmsspw 8825 brdomi 8906 en0 8965 en0r 8967 en1 8971 mapdom1 9080 rexdif1en 9095 ominf 9174 unblem2 9203 unfilem1 9215 fodomfir 9238 fiin 9335 brwdomi 9483 canthwdom 9494 brwdom3i 9498 unxpwdom 9504 scott0 9810 acni 9967 djuinf 10111 pwdjudom 10137 fin1ai 10215 fin2i 10217 fin4i 10220 ssfin3ds 10252 fin23lem17 10260 fin23lem38 10271 fin23lem39 10272 isfin32i 10287 fin34 10312 isfin7-2 10318 fin1a2lem13 10334 fin12 10335 gchi 10547 wuntr 10628 wununi 10629 wunpw 10630 wunpr 10632 wun0 10641 tskpwss 10675 tskpw 10676 tsken 10677 grutr 10716 grupw 10718 grupr 10720 gruurn 10721 ingru 10738 indpi 10830 eliooord 13358 fzrev3i 13545 fzne1 13558 elfzole1 13622 elfzolt2 13623 bcp1nk 14279 rere 15084 nn0abscl 15274 climcl 15461 rlimcl 15465 rlimdm 15513 o1res 15522 rlimdmo1 15580 climcau 15633 caucvgb 15642 fprodcnv 15948 cshws0 17072 restsspw 17394 mreiincl 17558 catidex 17640 catcocl 17651 catass 17652 homa1 18004 homahom2 18005 odulat 18401 dlatjmdi 18492 psrel 18535 psref2 18536 pstr2 18537 reldir 18565 dirdm 18566 dirref 18567 dirtr 18568 dirge 18569 chnub 18588 mgmcl 18611 submgmss 18673 submgmcl 18675 submgmmgm 18676 submss 18777 subm0cl 18779 submcl 18780 submmnd 18781 efmndbasf 18843 subgsubm 19124 symgbasf1o 19350 symginv 19377 psgneu 19481 odmulg 19531 frgpnabl 19850 dprdgrp 19982 dprdf 19983 abvfge0 20791 abveq0 20795 abvmul 20798 abvtri 20799 orngsqr 20843 lbsss 21072 lbssp 21074 lbsind 21075 domnchr 21512 cssi 21664 linds1 21790 linds2 21791 lindsind 21797 opsrtoslem2 22034 opsrso 22036 mdetunilem9 22585 uniopn 22862 iunopn 22863 inopn 22864 fiinopn 22866 eltpsg 22908 basis1 22915 basis2 22916 eltg4i 22925 lmff 23266 t1sep2 23334 cmpfii 23374 ptfinfin 23484 kqhmph 23784 fbasne0 23795 0nelfb 23796 fbsspw 23797 fbasssin 23801 ufli 23879 uffixfr 23888 elfm 23912 fclsopni 23980 fclselbas 23981 ustssxp 24170 ustbasel 24172 ustincl 24173 ustdiag 24174 ustinvel 24175 ustexhalf 24176 ustfilxp 24178 ustbas2 24190 ustbas 24192 psmetf 24271 psmet0 24273 psmettri2 24274 metflem 24293 xmetf 24294 xmeteq0 24303 xmettri2 24305 tmsxms 24451 tmsms 24452 metustsym 24520 tngnrg 24639 cncff 24860 cncfi 24861 cfili 25235 iscmet3lem2 25259 mbfres 25611 mbfimaopnlem 25622 limcresi 25852 dvcnp2 25887 ulmcl 26346 ulmf 26347 ulmcau 26360 pserulm 26387 pserdvlem2 26393 sinq34lt0t 26473 logtayl 26624 dchrmhm 27204 lgsdir2lem2 27289 2sqlem9 27390 mulog2sum 27500 newbdayim 27895 eleei 28966 uhgrf 29131 ushgrf 29132 upgrf 29155 umgrf 29167 uspgrf 29223 usgrf 29224 usgrfs 29226 nbcplgr 29503 clwlkcompim 29848 tncp 30549 eulplig 30556 grpofo 30570 grpolidinv 30572 grpoass 30574 nvvop 30680 phpar 30895 pjch1 31741 nn0mnfxrd 32824 toslub 33033 tosglb 33035 suppgsumssiun 33133 exsslsb 33741 fldextsubrg 33793 fldextress 33795 zhmnrg 34109 issgon 34267 measfrge0 34347 measvnul 34350 measvun 34353 fzssfzo 34683 bnj916 35075 bnj983 35093 cplgredgex 35303 acycgrcycl 35329 mfsdisj 35732 mtyf2 35733 maxsta 35736 mvtinf 35737 r1peuqusdeg1 35825 hfun 36360 hfsn 36361 hfelhf 36363 hfuni 36366 hfpw 36367 fneuni 36529 elttcirr 36713 curryset 37253 mptsnunlem 37654 heibor1lem 38130 heiborlem1 38132 heiborlem3 38134 opidonOLD 38173 isexid2 38176 elrelsrelim 38764 presucmap 38816 eqvrelqsel 39021 eldisjsim1 39255 elpcliN 40339 lnrfg 43547 sdomne0 43840 sdomne0d 43841 pwinfi2 43989 frege55lem1c 44343 gneispacef 44562 gneispacef2 44563 gneispacern2 44566 gneispace0nelrn 44567 gneispaceel 44570 gneispacess 44572 mnuop123d 44689 trintALTVD 45306 trintALT 45307 eliuniin 45529 eliuniin2 45550 disjrnmpt2 45618 stoweidlem35 46463 saluncl 46745 saldifcl 46747 0sal 46748 sge0resplit 46834 omedm 46927 funressneu 47495 afvelrnb0 47612 afvelima 47615 rlimdmafv 47625 funressndmafv2rn 47671 rlimdmafv2 47706 elsetpreimafv 47845 oexpnegALTV 48153 gricbri 48392 grlimprop2 48462 grilcbri 48485 asslawass 48669 linindsi 48923 inisegn0a 49311 eloprab1st2nd 49343 uobrcl 49668 uobeq2 49876 isinito2 49974 basrestermcfolem 50046 discsnterm 50049 islmd 50140 |
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