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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 3639 elab3g 3640 elimhyp 4545 elimhyp2v 4546 elimhyp3v 4547 elimhyp4v 4548 elpwi 4561 elsni 4597 elpri 4604 eltpi 4645 snssi 4764 prssi 4777 snelpwi 5392 prelpwi 5395 elxpi 5646 releldmb 5895 relelrnb 5896 elrnmpt2d 5915 eloni 6327 limuni2 6380 funeu 6517 fneu 6602 fvelima2 6886 fvelima 6899 fvelimad 6901 eloprabi 8007 fo2ndf 8063 orderseqlem 8099 tfrlem9 8316 oeeulem 8529 elqsi 8703 qsel 8733 ecopovsym 8756 elpmi 8783 elmapi 8786 pmsspw 8815 brdomi 8896 en0 8955 en0r 8957 en1 8961 mapdom1 9070 rexdif1en 9085 ominf 9164 unblem2 9193 unfilem1 9205 fodomfir 9228 fiin 9325 brwdomi 9473 canthwdom 9484 brwdom3i 9488 unxpwdom 9494 scott0 9798 acni 9955 djuinf 10099 pwdjudom 10125 fin1ai 10203 fin2i 10205 fin4i 10208 ssfin3ds 10240 fin23lem17 10248 fin23lem38 10259 fin23lem39 10260 isfin32i 10275 fin34 10300 isfin7-2 10306 fin1a2lem13 10322 fin12 10323 gchi 10535 wuntr 10616 wununi 10617 wunpw 10618 wunpr 10620 wun0 10629 tskpwss 10663 tskpw 10664 tsken 10665 grutr 10704 grupw 10706 grupr 10708 gruurn 10709 ingru 10726 indpi 10818 eliooord 13321 fzrev3i 13507 fzne1 13520 elfzole1 13583 elfzolt2 13584 bcp1nk 14240 rere 15045 nn0abscl 15235 climcl 15422 rlimcl 15426 rlimdm 15474 o1res 15483 rlimdmo1 15541 climcau 15594 caucvgb 15603 fprodcnv 15906 cshws0 17029 restsspw 17351 mreiincl 17515 catidex 17597 catcocl 17608 catass 17609 homa1 17961 homahom2 17962 odulat 18358 dlatjmdi 18449 psrel 18492 psref2 18493 pstr2 18494 reldir 18522 dirdm 18523 dirref 18524 dirtr 18525 dirge 18526 chnub 18545 mgmcl 18568 submgmss 18630 submgmcl 18632 submgmmgm 18633 submss 18734 subm0cl 18736 submcl 18737 submmnd 18738 efmndbasf 18800 subgsubm 19078 symgbasf1o 19304 symginv 19331 psgneu 19435 odmulg 19485 frgpnabl 19804 dprdgrp 19936 dprdf 19937 abvfge0 20747 abveq0 20751 abvmul 20754 abvtri 20755 orngsqr 20799 lbsss 21029 lbssp 21031 lbsind 21032 domnchr 21487 cssi 21639 linds1 21765 linds2 21766 lindsind 21772 opsrtoslem2 22011 opsrso 22013 mdetunilem9 22564 uniopn 22841 iunopn 22842 inopn 22843 fiinopn 22845 eltpsg 22887 basis1 22894 basis2 22895 eltg4i 22904 lmff 23245 t1sep2 23313 cmpfii 23353 ptfinfin 23463 kqhmph 23763 fbasne0 23774 0nelfb 23775 fbsspw 23776 fbasssin 23780 ufli 23858 uffixfr 23867 elfm 23891 fclsopni 23959 fclselbas 23960 ustssxp 24149 ustbasel 24151 ustincl 24152 ustdiag 24153 ustinvel 24154 ustexhalf 24155 ustfilxp 24157 ustbas2 24169 ustbas 24171 psmetf 24250 psmet0 24252 psmettri2 24253 metflem 24272 xmetf 24273 xmeteq0 24282 xmettri2 24284 tmsxms 24430 tmsms 24431 metustsym 24499 tngnrg 24618 cncff 24842 cncfi 24843 cfili 25224 iscmet3lem2 25248 mbfres 25601 mbfimaopnlem 25612 limcresi 25842 dvcnp2 25877 dvcnp2OLD 25878 ulmcl 26346 ulmf 26347 ulmcau 26360 pserulm 26387 pserdvlem2 26394 sinq34lt0t 26474 logtayl 26625 dchrmhm 27208 lgsdir2lem2 27293 2sqlem9 27394 mulog2sum 27504 newbdayim 27899 eleei 28970 uhgrf 29135 ushgrf 29136 upgrf 29159 umgrf 29171 uspgrf 29227 usgrf 29228 usgrfs 29230 nbcplgr 29507 clwlkcompim 29853 tncp 30553 eulplig 30560 grpofo 30574 grpolidinv 30576 grpoass 30578 nvvop 30684 phpar 30899 pjch1 31745 nn0mnfxrd 32831 toslub 33055 tosglb 33057 exsslsb 33753 fldextsubrg 33806 fldextress 33808 zhmnrg 34122 issgon 34280 measfrge0 34360 measvnul 34363 measvun 34366 fzssfzo 34696 bnj916 35089 bnj983 35107 cplgredgex 35315 acycgrcycl 35341 mfsdisj 35744 mtyf2 35745 maxsta 35748 mvtinf 35749 r1peuqusdeg1 35837 hfun 36372 hfsn 36373 hfelhf 36375 hfuni 36378 hfpw 36379 fneuni 36541 curryset 37147 mptsnunlem 37543 heibor1lem 38010 heiborlem1 38012 heiborlem3 38014 opidonOLD 38053 isexid2 38056 elrelsrelim 38628 presucmap 38668 eqvrelqsel 38873 elpcliN 40153 lnrfg 43361 sdomne0 43654 sdomne0d 43655 pwinfi2 43803 frege55lem1c 44157 gneispacef 44376 gneispacef2 44377 gneispacern2 44380 gneispace0nelrn 44381 gneispaceel 44384 gneispacess 44386 mnuop123d 44503 trintALTVD 45120 trintALT 45121 eliuniin 45343 eliuniin2 45364 disjrnmpt2 45432 stoweidlem35 46279 saluncl 46561 saldifcl 46563 0sal 46564 sge0resplit 46650 omedm 46743 funressneu 47293 afvelrnb0 47410 afvelima 47413 rlimdmafv 47423 funressndmafv2rn 47469 rlimdmafv2 47504 elsetpreimafv 47631 oexpnegALTV 47923 gricbri 48162 grlimprop2 48232 grilcbri 48255 asslawass 48439 linindsi 48693 inisegn0a 49081 eloprab1st2nd 49113 uobrcl 49438 uobeq2 49646 isinito2 49744 basrestermcfolem 49816 discsnterm 49819 islmd 49910 |
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