| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 3637 elab3g 3638 elimhyp 4547 elimhyp2v 4548 elimhyp3v 4549 elimhyp4v 4550 elpwi 4563 elsni 4597 elpri 4604 eltpi 4645 snssi 4742 prssi 4776 snelpwi 5411 prelpwi 5414 elxpi 5672 releldmb 5927 relelrnb 5928 elrnmpt2d 5947 eloni 6372 limuni2 6426 funeu 6565 fneu 6649 fvelima2 6937 fvelima 6950 fvelimad 6952 eloprabi 8074 fo2ndf 8134 orderseqlem 8176 tfrlem9 8396 oeeulem 8613 elqsi 8789 qsel 8820 ecopovsym 8843 elpmi 8869 elmapi 8872 pmsspw 8908 brdomi 8989 en0 9048 en0r 9050 en1 9054 mapdom1 9164 rexdif1en 9179 ominf 9258 unblem2 9288 unfilem1 9300 fodomfir 9322 fiin 9417 brwdomi 9565 canthwdom 9576 brwdom3i 9580 unxpwdom 9586 hfelhfOLD 9919 hfunOLD 9922 hfsnOLD 9924 hfuniOLD 9928 hfpwOLD 9930 scott0b 9940 scott0OLD 9941 acni 10127 djuinf 10270 pwdjudom 10296 fin1ai 10374 fin2i 10376 fin4i 10379 ssfin3ds 10411 fin23lem17 10419 fin23lem38 10430 fin23lem39 10431 isfin32i 10446 fin34 10471 isfin7-2 10477 fin1a2lem13 10493 fin12 10494 gchi 10712 wuntr 10793 wununi 10794 wunpw 10795 wunpr 10797 wun0 10806 tskpwss 10840 tskpw 10841 tsken 10842 grutr 10881 grupw 10883 grupr 10885 gruurn 10886 ingru 10903 indpi 10995 eliooord 13539 fzrev3i 13728 fzne1 13741 elfzole1 13805 elfzolt2 13806 bcp1nk 14464 rere 15294 nn0abscl 15484 climcl 15671 rlimcl 15675 rlimdm 15723 o1res 15732 rlimdmo1 15790 climcau 15843 caucvgb 15852 fprodcnv 16155 cshws0 17284 restsspw 17607 mreiincl 17771 catidex 17853 catcocl 17864 catass 17865 homa1 18217 homahom2 18218 odulat 18614 dlatjmdi 18705 psrel 18748 psref2 18749 pstr2 18750 reldir 18778 dirdm 18779 dirref 18780 dirtr 18781 dirge 18782 chnub 18801 mgmcl 18824 submgmss 18899 submgmcl 18901 submgmmgm 18902 submss 19009 subm0cl 19011 submcl 19012 submmnd 19014 efmndbasf 19076 subgsubm 19364 symgbasf1o 19594 symginv 19621 psgneu 19725 odmulg 19775 frgpnabl 20094 dprdgrp 20226 dprdf 20227 abvfge0 21076 abveq0 21080 abvmul 21083 abvtri 21084 orngsqr 21128 lbsss 21357 lbssp 21359 lbsind 21360 domnchr 21843 cssi 21995 linds1 22121 linds2 22122 lindsind 22128 opsrtoslem2 22370 opsrso 22372 mdetunilem9 22940 uniopn 23220 iunopn 23221 inopn 23222 fiinopn 23224 eltpsg 23266 basis1 23273 basis2 23274 eltg4i 23283 lmff 23624 t1sep2 23692 cmpfii 23732 ptfinfin 23843 kqhmph 24143 fbasne0 24154 0nelfb 24155 fbsspw 24156 fbasssin 24160 ufli 24238 uffixfr 24247 elfm 24271 fclsopni 24339 fclselbas 24340 ustssxp 24529 ustbasel 24531 ustincl 24532 ustdiag 24533 ustinvel 24534 ustexhalf 24535 ustfilxp 24537 ustbas2 24549 ustbas 24551 psmetf 24630 psmet0 24632 psmettri2 24633 metflem 24652 xmetf 24653 xmeteq0 24662 xmettri2 24664 tmsxms 24810 tmsms 24811 metustsym 24879 tngnrg 24998 cncff 25219 cncfi 25220 cfili 25594 iscmet3lem2 25618 mbfres 25970 mbfimaopnlem 25981 limcresi 26210 dvcnp2 26245 ulmcl 26713 ulmf 26714 ulmcau 26727 pserulm 26754 pserdvlem2 26760 sinq34lt0t 26843 logtayl 26993 dchrmhm 27573 lgsdir2lem2 27658 2sqlem9 27759 mulog2sum 27869 newbdayim 28294 eleei 29480 uhgrf 29645 ushgrf 29646 upgrf 29669 umgrf 29681 uspgrf 29740 usgrf 29741 usgrfs 29743 nbcplgr 30020 clwlkcompim 30372 acycgrcycl 30758 tncp 31085 eulplig 31092 grpofo 31106 grpolidinv 31108 grpoass 31110 nvvop 31216 phpar 31431 pjch1 32277 nn0mnfxrd 33389 toslub 33580 tosglb 33582 suppgsumssiun 33679 exsslsb 34275 fldextsubrg 34327 fldextress 34329 zhmnrg 34643 issgon 34801 measfrge0 34882 measvnul 34885 measvun 34888 fzssfzo 35217 bnj916 35609 bnj983 35627 elkarden 35879 cplgredgex 35981 mfsdisj 36401 mtyf2 36402 maxsta 36405 mvtinf 36406 r1peuqusdeg1 36494 fneuni 37227 elttcirr 37411 curryset 37951 mptsnunlem 38354 heibor1lem 38836 heiborlem1 38838 heiborlem3 38840 opidonOLD 38879 isexid2 38882 elrelsrelim 39468 presucmap 39520 eqvrelqsel 39725 eldisjsim1 39959 elpcliN 41043 lnrfg 44214 sdomne0 44507 sdomne0d 44508 pwinfi2 44656 frege55lem1c 45009 gneispacef 45228 gneispacef2 45229 gneispacern2 45232 gneispace0nelrn 45233 gneispaceel 45236 gneispacess 45238 mnuop123d 45339 trintALTVD 45955 trintALT 45956 hfstructstruct 46118 eliuniin 46207 eliuniin2 46228 disjrnmpt2 46296 stoweidlem35 47138 saluncl 47420 saldifcl 47422 0sal 47423 sge0resplit 47509 omedm 47602 funressneu 48210 afvelrnb0 48327 afvelima 48330 rlimdmafv 48340 funressndmafv2rn 48386 rlimdmafv2 48421 elsetpreimafv 48560 oexpnegALTV 48868 gricbri 49107 grlimprop2 49177 grilcbri 49200 asslawass 49383 linindsi 49652 inisegn0a 50040 eloprab1st2nd 50072 uobrcl 50402 uobeq2 50629 isinito2 50727 basrestermcfolem 50802 discsnterm 50805 islmd 50941 |
| Copyright terms: Public domain | W3C validator |