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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 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 |
| Syntax hints: → wi 4 ↔ wb 209 |
| 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 210 |
| This theorem is referenced by: ibir 271 elab3gf 3644 elab3g 3645 elimhyp 4554 elimhyp2v 4555 elimhyp3v 4556 elimhyp4v 4557 elpwi 4570 elsni 4607 elpri 4614 eltpi 4655 snssi 4752 prssi 4788 snelpwi 5427 prelpwi 5430 elxpi 5685 releldmb 5938 relelrnb 5939 elrnmpt2d 5958 eloni 6372 limuni2 6426 funeu 6563 fneu 6647 fvelima2 6935 fvelima 6948 fvelimad 6950 eloprabi 8061 fo2ndf 8117 orderseqlem 8154 tfrlem9 8373 oeeulem 8588 elqsi 8764 qsel 8795 ecopovsym 8818 elpmi 8844 elmapi 8847 pmsspw 8876 brdomi 8957 en0 9016 en0r 9018 en1 9022 mapdom1 9131 rexdif1en 9146 ominf 9225 unblem2 9254 unfilem1 9266 fodomfir 9288 fiin 9383 brwdomi 9531 canthwdom 9542 brwdom3i 9546 unxpwdom 9552 scott0 9861 acni 10030 djuinf 10173 pwdjudom 10199 fin1ai 10278 fin2i 10280 fin4i 10283 ssfin3ds 10315 fin23lem17 10323 fin23lem38 10334 fin23lem39 10335 isfin32i 10350 fin34 10375 isfin7-2 10381 fin1a2lem13 10397 fin12 10398 gchi 10610 wuntr 10691 wununi 10692 wunpw 10693 wunpr 10695 wun0 10704 tskpwss 10738 tskpw 10739 tsken 10740 grutr 10779 grupw 10781 grupr 10783 gruurn 10784 ingru 10801 indpi 10893 eliooord 13433 fzrev3i 13621 fzne1 13634 elfzole1 13698 elfzolt2 13699 bcp1nk 14355 rere 15175 nn0abscl 15365 climcl 15552 rlimcl 15556 rlimdm 15604 o1res 15613 rlimdmo1 15671 climcau 15724 caucvgb 15733 fprodcnv 16039 cshws0 17162 restsspw 17485 mreiincl 17649 catidex 17731 catcocl 17742 catass 17743 homa1 18095 homahom2 18096 odulat 18492 dlatjmdi 18583 psrel 18626 psref2 18627 pstr2 18628 reldir 18656 dirdm 18657 dirref 18658 dirtr 18659 dirge 18660 chnub 18679 mgmcl 18702 submgmss 18764 submgmcl 18766 submgmmgm 18767 submss 18868 subm0cl 18870 submcl 18871 submmnd 18873 efmndbasf 18935 subgsubm 19216 symgbasf1o 19446 symginv 19473 psgneu 19577 odmulg 19627 frgpnabl 19946 dprdgrp 20078 dprdf 20079 abvfge0 20898 abveq0 20902 abvmul 20905 abvtri 20906 orngsqr 20950 lbsss 21179 lbssp 21181 lbsind 21182 domnchr 21663 cssi 21815 linds1 21941 linds2 21942 lindsind 21948 opsrtoslem2 22188 opsrso 22190 mdetunilem9 22758 uniopn 23035 iunopn 23036 inopn 23037 fiinopn 23039 eltpsg 23081 basis1 23088 basis2 23089 eltg4i 23098 lmff 23439 t1sep2 23507 cmpfii 23547 ptfinfin 23657 kqhmph 23957 fbasne0 23968 0nelfb 23969 fbsspw 23970 fbasssin 23974 ufli 24052 uffixfr 24061 elfm 24085 fclsopni 24153 fclselbas 24154 ustssxp 24343 ustbasel 24345 ustincl 24346 ustdiag 24347 ustinvel 24348 ustexhalf 24349 ustfilxp 24351 ustbas2 24363 ustbas 24365 psmetf 24444 psmet0 24446 psmettri2 24447 metflem 24466 xmetf 24467 xmeteq0 24476 xmettri2 24478 tmsxms 24624 tmsms 24625 metustsym 24693 tngnrg 24812 cncff 25033 cncfi 25034 cfili 25408 iscmet3lem2 25432 mbfres 25784 mbfimaopnlem 25795 limcresi 26025 dvcnp2 26060 ulmcl 26525 ulmf 26526 ulmcau 26539 pserulm 26566 pserdvlem2 26572 sinq34lt0t 26655 logtayl 26806 dchrmhm 27386 lgsdir2lem2 27471 2sqlem9 27572 mulog2sum 27682 newbdayim 28077 eleei 29228 uhgrf 29393 ushgrf 29394 upgrf 29417 umgrf 29429 uspgrf 29485 usgrf 29486 usgrfs 29488 nbcplgr 29765 clwlkcompim 30110 tncp 30811 eulplig 30818 grpofo 30832 grpolidinv 30834 grpoass 30836 nvvop 30942 phpar 31157 pjch1 32003 nn0mnfxrd 33077 toslub 33274 tosglb 33276 suppgsumssiun 33373 exsslsb 33968 fldextsubrg 34020 fldextress 34022 zhmnrg 34336 issgon 34494 measfrge0 34574 measvnul 34577 measvun 34580 fzssfzo 34910 bnj916 35302 bnj983 35320 elkarden 35549 cplgredgex 35594 acycgrcycl 35620 mfsdisj 36023 mtyf2 36024 maxsta 36027 mvtinf 36028 r1peuqusdeg1 36116 hfun 36651 hfsn 36652 hfelhf 36654 hfuni 36657 hfpw 36658 fneuni 36839 elttcirr 37023 curryset 37563 mptsnunlem 37965 heibor1lem 38441 heiborlem1 38443 heiborlem3 38445 opidonOLD 38484 isexid2 38487 elrelsrelim 39073 presucmap 39125 eqvrelqsel 39330 eldisjsim1 39564 elpcliN 40648 lnrfg 43829 sdomne0 44122 sdomne0d 44123 pwinfi2 44271 frege55lem1c 44625 gneispacef 44844 gneispacef2 44845 gneispacern2 44848 gneispace0nelrn 44849 gneispaceel 44852 gneispacess 44854 mnuop123d 44955 trintALTVD 45571 trintALT 45572 eliuniin 45800 eliuniin2 45821 disjrnmpt2 45889 stoweidlem35 46732 saluncl 47014 saldifcl 47016 0sal 47017 sge0resplit 47103 omedm 47196 funressneu 47767 afvelrnb0 47884 afvelima 47887 rlimdmafv 47897 funressndmafv2rn 47943 rlimdmafv2 47978 elsetpreimafv 48117 oexpnegALTV 48425 gricbri 48664 grlimprop2 48734 grilcbri 48757 asslawass 48941 linindsi 49210 inisegn0a 49597 eloprab1st2nd 49629 uobrcl 49954 uobeq2 50162 isinito2 50260 basrestermcfolem 50332 discsnterm 50335 islmd 50426 |
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