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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 3628 elab3g 3629 elimhyp 4533 elimhyp2v 4534 elimhyp3v 4535 elimhyp4v 4536 elpwi 4549 elsni 4585 elpri 4592 eltpi 4633 snssi 4752 prssi 4765 snelpwi 5391 prelpwi 5394 elxpi 5646 releldmb 5895 relelrnb 5896 elrnmpt2d 5915 eloni 6327 limuni2 6380 funeu 6517 fneu 6602 fvelima2 6886 fvelima 6899 fvelimad 6901 eloprabi 8009 fo2ndf 8064 orderseqlem 8100 tfrlem9 8317 oeeulem 8530 elqsi 8705 qsel 8736 ecopovsym 8759 elpmi 8786 elmapi 8789 pmsspw 8818 brdomi 8899 en0 8958 en0r 8960 en1 8964 mapdom1 9073 rexdif1en 9088 ominf 9167 unblem2 9196 unfilem1 9208 fodomfir 9231 fiin 9328 brwdomi 9476 canthwdom 9487 brwdom3i 9491 unxpwdom 9497 scott0 9801 acni 9958 djuinf 10102 pwdjudom 10128 fin1ai 10206 fin2i 10208 fin4i 10211 ssfin3ds 10243 fin23lem17 10251 fin23lem38 10262 fin23lem39 10263 isfin32i 10278 fin34 10303 isfin7-2 10309 fin1a2lem13 10325 fin12 10326 gchi 10538 wuntr 10619 wununi 10620 wunpw 10621 wunpr 10623 wun0 10632 tskpwss 10666 tskpw 10667 tsken 10668 grutr 10707 grupw 10709 grupr 10711 gruurn 10712 ingru 10729 indpi 10821 eliooord 13349 fzrev3i 13536 fzne1 13549 elfzole1 13613 elfzolt2 13614 bcp1nk 14270 rere 15075 nn0abscl 15265 climcl 15452 rlimcl 15456 rlimdm 15504 o1res 15513 rlimdmo1 15571 climcau 15624 caucvgb 15633 fprodcnv 15939 cshws0 17063 restsspw 17385 mreiincl 17549 catidex 17631 catcocl 17642 catass 17643 homa1 17995 homahom2 17996 odulat 18392 dlatjmdi 18483 psrel 18526 psref2 18527 pstr2 18528 reldir 18556 dirdm 18557 dirref 18558 dirtr 18559 dirge 18560 chnub 18579 mgmcl 18602 submgmss 18664 submgmcl 18666 submgmmgm 18667 submss 18768 subm0cl 18770 submcl 18771 submmnd 18772 efmndbasf 18834 subgsubm 19115 symgbasf1o 19341 symginv 19368 psgneu 19472 odmulg 19522 frgpnabl 19841 dprdgrp 19973 dprdf 19974 abvfge0 20782 abveq0 20786 abvmul 20789 abvtri 20790 orngsqr 20834 lbsss 21064 lbssp 21066 lbsind 21067 domnchr 21522 cssi 21674 linds1 21800 linds2 21801 lindsind 21807 opsrtoslem2 22044 opsrso 22046 mdetunilem9 22595 uniopn 22872 iunopn 22873 inopn 22874 fiinopn 22876 eltpsg 22918 basis1 22925 basis2 22926 eltg4i 22935 lmff 23276 t1sep2 23344 cmpfii 23384 ptfinfin 23494 kqhmph 23794 fbasne0 23805 0nelfb 23806 fbsspw 23807 fbasssin 23811 ufli 23889 uffixfr 23898 elfm 23922 fclsopni 23990 fclselbas 23991 ustssxp 24180 ustbasel 24182 ustincl 24183 ustdiag 24184 ustinvel 24185 ustexhalf 24186 ustfilxp 24188 ustbas2 24200 ustbas 24202 psmetf 24281 psmet0 24283 psmettri2 24284 metflem 24303 xmetf 24304 xmeteq0 24313 xmettri2 24315 tmsxms 24461 tmsms 24462 metustsym 24530 tngnrg 24649 cncff 24870 cncfi 24871 cfili 25245 iscmet3lem2 25269 mbfres 25621 mbfimaopnlem 25632 limcresi 25862 dvcnp2 25897 ulmcl 26359 ulmf 26360 ulmcau 26373 pserulm 26400 pserdvlem2 26406 sinq34lt0t 26486 logtayl 26637 dchrmhm 27218 lgsdir2lem2 27303 2sqlem9 27404 mulog2sum 27514 newbdayim 27909 eleei 28980 uhgrf 29145 ushgrf 29146 upgrf 29169 umgrf 29181 uspgrf 29237 usgrf 29238 usgrfs 29240 nbcplgr 29517 clwlkcompim 29863 tncp 30564 eulplig 30571 grpofo 30585 grpolidinv 30587 grpoass 30589 nvvop 30695 phpar 30910 pjch1 31756 nn0mnfxrd 32839 toslub 33048 tosglb 33050 suppgsumssiun 33148 exsslsb 33756 fldextsubrg 33809 fldextress 33811 zhmnrg 34125 issgon 34283 measfrge0 34363 measvnul 34366 measvun 34369 fzssfzo 34699 bnj916 35091 bnj983 35109 cplgredgex 35319 acycgrcycl 35345 mfsdisj 35748 mtyf2 35749 maxsta 35752 mvtinf 35753 r1peuqusdeg1 35841 hfun 36376 hfsn 36377 hfelhf 36379 hfuni 36382 hfpw 36383 fneuni 36545 elttcirr 36729 curryset 37269 mptsnunlem 37668 heibor1lem 38144 heiborlem1 38146 heiborlem3 38148 opidonOLD 38187 isexid2 38190 elrelsrelim 38778 presucmap 38830 eqvrelqsel 39035 eldisjsim1 39269 elpcliN 40353 lnrfg 43565 sdomne0 43858 sdomne0d 43859 pwinfi2 44007 frege55lem1c 44361 gneispacef 44580 gneispacef2 44581 gneispacern2 44584 gneispace0nelrn 44585 gneispaceel 44588 gneispacess 44590 mnuop123d 44707 trintALTVD 45324 trintALT 45325 eliuniin 45547 eliuniin2 45568 disjrnmpt2 45636 stoweidlem35 46481 saluncl 46763 saldifcl 46765 0sal 46766 sge0resplit 46852 omedm 46945 funressneu 47507 afvelrnb0 47624 afvelima 47627 rlimdmafv 47637 funressndmafv2rn 47683 rlimdmafv2 47718 elsetpreimafv 47857 oexpnegALTV 48165 gricbri 48404 grlimprop2 48474 grilcbri 48497 asslawass 48681 linindsi 48935 inisegn0a 49323 eloprab1st2nd 49355 uobrcl 49680 uobeq2 49888 isinito2 49986 basrestermcfolem 50058 discsnterm 50061 islmd 50152 |
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