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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 3641 elab3g 3642 elimhyp 4547 elimhyp2v 4548 elimhyp3v 4549 elimhyp4v 4550 elpwi 4563 elsni 4599 elpri 4606 eltpi 4647 snssi 4766 prssi 4779 snelpwi 5399 prelpwi 5402 elxpi 5654 releldmb 5903 relelrnb 5904 elrnmpt2d 5923 eloni 6335 limuni2 6388 funeu 6525 fneu 6610 fvelima2 6894 fvelima 6907 fvelimad 6909 eloprabi 8017 fo2ndf 8073 orderseqlem 8109 tfrlem9 8326 oeeulem 8539 elqsi 8714 qsel 8745 ecopovsym 8768 elpmi 8795 elmapi 8798 pmsspw 8827 brdomi 8908 en0 8967 en0r 8969 en1 8973 mapdom1 9082 rexdif1en 9097 ominf 9176 unblem2 9205 unfilem1 9217 fodomfir 9240 fiin 9337 brwdomi 9485 canthwdom 9496 brwdom3i 9500 unxpwdom 9506 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 13333 fzrev3i 13519 fzne1 13532 elfzole1 13595 elfzolt2 13596 bcp1nk 14252 rere 15057 nn0abscl 15247 climcl 15434 rlimcl 15438 rlimdm 15486 o1res 15495 rlimdmo1 15553 climcau 15606 caucvgb 15615 fprodcnv 15918 cshws0 17041 restsspw 17363 mreiincl 17527 catidex 17609 catcocl 17620 catass 17621 homa1 17973 homahom2 17974 odulat 18370 dlatjmdi 18461 psrel 18504 psref2 18505 pstr2 18506 reldir 18534 dirdm 18535 dirref 18536 dirtr 18537 dirge 18538 chnub 18557 mgmcl 18580 submgmss 18642 submgmcl 18644 submgmmgm 18645 submss 18746 subm0cl 18748 submcl 18749 submmnd 18750 efmndbasf 18812 subgsubm 19090 symgbasf1o 19316 symginv 19343 psgneu 19447 odmulg 19497 frgpnabl 19816 dprdgrp 19948 dprdf 19949 abvfge0 20759 abveq0 20763 abvmul 20766 abvtri 20767 orngsqr 20811 lbsss 21041 lbssp 21043 lbsind 21044 domnchr 21499 cssi 21651 linds1 21777 linds2 21778 lindsind 21784 opsrtoslem2 22023 opsrso 22025 mdetunilem9 22576 uniopn 22853 iunopn 22854 inopn 22855 fiinopn 22857 eltpsg 22899 basis1 22906 basis2 22907 eltg4i 22916 lmff 23257 t1sep2 23325 cmpfii 23365 ptfinfin 23475 kqhmph 23775 fbasne0 23786 0nelfb 23787 fbsspw 23788 fbasssin 23792 ufli 23870 uffixfr 23879 elfm 23903 fclsopni 23971 fclselbas 23972 ustssxp 24161 ustbasel 24163 ustincl 24164 ustdiag 24165 ustinvel 24166 ustexhalf 24167 ustfilxp 24169 ustbas2 24181 ustbas 24183 psmetf 24262 psmet0 24264 psmettri2 24265 metflem 24284 xmetf 24285 xmeteq0 24294 xmettri2 24296 tmsxms 24442 tmsms 24443 metustsym 24511 tngnrg 24630 cncff 24854 cncfi 24855 cfili 25236 iscmet3lem2 25260 mbfres 25613 mbfimaopnlem 25624 limcresi 25854 dvcnp2 25889 dvcnp2OLD 25890 ulmcl 26358 ulmf 26359 ulmcau 26372 pserulm 26399 pserdvlem2 26406 sinq34lt0t 26486 logtayl 26637 dchrmhm 27220 lgsdir2lem2 27305 2sqlem9 27406 mulog2sum 27516 newbdayim 27911 eleei 28982 uhgrf 29147 ushgrf 29148 upgrf 29171 umgrf 29183 uspgrf 29239 usgrf 29240 usgrfs 29242 nbcplgr 29519 clwlkcompim 29865 tncp 30565 eulplig 30572 grpofo 30586 grpolidinv 30588 grpoass 30590 nvvop 30696 phpar 30911 pjch1 31757 nn0mnfxrd 32841 toslub 33065 tosglb 33067 suppgsumssiun 33165 exsslsb 33773 fldextsubrg 33826 fldextress 33828 zhmnrg 34142 issgon 34300 measfrge0 34380 measvnul 34383 measvun 34386 fzssfzo 34716 bnj916 35108 bnj983 35126 cplgredgex 35334 acycgrcycl 35360 mfsdisj 35763 mtyf2 35764 maxsta 35767 mvtinf 35768 r1peuqusdeg1 35856 hfun 36391 hfsn 36392 hfelhf 36394 hfuni 36397 hfpw 36398 fneuni 36560 curryset 37191 mptsnunlem 37590 heibor1lem 38057 heiborlem1 38059 heiborlem3 38061 opidonOLD 38100 isexid2 38103 elrelsrelim 38691 presucmap 38743 eqvrelqsel 38948 eldisjsim1 39182 elpcliN 40266 lnrfg 43473 sdomne0 43766 sdomne0d 43767 pwinfi2 43915 frege55lem1c 44269 gneispacef 44488 gneispacef2 44489 gneispacern2 44492 gneispace0nelrn 44493 gneispaceel 44496 gneispacess 44498 mnuop123d 44615 trintALTVD 45232 trintALT 45233 eliuniin 45455 eliuniin2 45476 disjrnmpt2 45544 stoweidlem35 46390 saluncl 46672 saldifcl 46674 0sal 46675 sge0resplit 46761 omedm 46854 funressneu 47404 afvelrnb0 47521 afvelima 47524 rlimdmafv 47534 funressndmafv2rn 47580 rlimdmafv2 47615 elsetpreimafv 47742 oexpnegALTV 48034 gricbri 48273 grlimprop2 48343 grilcbri 48366 asslawass 48550 linindsi 48804 inisegn0a 49192 eloprab1st2nd 49224 uobrcl 49549 uobeq2 49757 isinito2 49855 basrestermcfolem 49927 discsnterm 49930 islmd 50021 |
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