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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 234 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 |
| 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 209 |
| This theorem is referenced by: ibir 270 elab3gf 3643 elab3g 3644 elimhyp 4545 elimhyp2v 4546 elimhyp3v 4547 elimhyp4v 4548 elpwi 4561 elsni 4598 elpri 4605 eltpi 4646 snssi 4743 prssi 4778 snelpwi 5410 prelpwi 5413 elxpi 5667 releldmb 5920 relelrnb 5921 elrnmpt2d 5940 eloni 6352 limuni2 6405 funeu 6542 fneu 6627 fvelima2 6915 fvelima 6928 fvelimad 6930 eloprabi 8040 fo2ndf 8095 orderseqlem 8132 tfrlem9 8351 oeeulem 8566 elqsi 8742 qsel 8773 ecopovsym 8796 elpmi 8823 elmapi 8826 pmsspw 8855 brdomi 8936 en0 8995 en0r 8997 en1 9001 mapdom1 9110 rexdif1en 9125 ominf 9204 unblem2 9233 unfilem1 9245 fodomfir 9268 fiin 9365 brwdomi 9513 canthwdom 9524 brwdom3i 9528 unxpwdom 9534 scott0 9841 acni 9998 djuinf 10142 pwdjudom 10168 fin1ai 10247 fin2i 10249 fin4i 10252 ssfin3ds 10284 fin23lem17 10292 fin23lem38 10303 fin23lem39 10304 isfin32i 10319 fin34 10344 isfin7-2 10350 fin1a2lem13 10366 fin12 10367 gchi 10579 wuntr 10660 wununi 10661 wunpw 10662 wunpr 10664 wun0 10673 tskpwss 10707 tskpw 10708 tsken 10709 grutr 10748 grupw 10750 grupr 10752 gruurn 10753 ingru 10770 indpi 10862 eliooord 13406 fzrev3i 13593 fzne1 13606 elfzole1 13670 elfzolt2 13671 bcp1nk 14327 rere 15132 nn0abscl 15322 climcl 15509 rlimcl 15513 rlimdm 15561 o1res 15570 rlimdmo1 15628 climcau 15681 caucvgb 15690 fprodcnv 15996 cshws0 17120 restsspw 17443 mreiincl 17607 catidex 17689 catcocl 17700 catass 17701 homa1 18053 homahom2 18054 odulat 18450 dlatjmdi 18541 psrel 18584 psref2 18585 pstr2 18586 reldir 18614 dirdm 18615 dirref 18616 dirtr 18617 dirge 18618 chnub 18637 mgmcl 18660 submgmss 18722 submgmcl 18724 submgmmgm 18725 submss 18826 subm0cl 18828 submcl 18829 submmnd 18830 efmndbasf 18892 subgsubm 19173 symgbasf1o 19398 symginv 19425 psgneu 19529 odmulg 19579 frgpnabl 19898 dprdgrp 20030 dprdf 20031 abvfge0 20843 abveq0 20847 abvmul 20850 abvtri 20851 orngsqr 20895 lbsss 21124 lbssp 21126 lbsind 21127 domnchr 21564 cssi 21716 linds1 21842 linds2 21843 lindsind 21849 opsrtoslem2 22089 opsrso 22091 mdetunilem9 22660 uniopn 22937 iunopn 22938 inopn 22939 fiinopn 22941 eltpsg 22983 basis1 22990 basis2 22991 eltg4i 23000 lmff 23341 t1sep2 23409 cmpfii 23449 ptfinfin 23559 kqhmph 23859 fbasne0 23870 0nelfb 23871 fbsspw 23872 fbasssin 23876 ufli 23954 uffixfr 23963 elfm 23987 fclsopni 24055 fclselbas 24056 ustssxp 24245 ustbasel 24247 ustincl 24248 ustdiag 24249 ustinvel 24250 ustexhalf 24251 ustfilxp 24253 ustbas2 24265 ustbas 24267 psmetf 24346 psmet0 24348 psmettri2 24349 metflem 24368 xmetf 24369 xmeteq0 24378 xmettri2 24380 tmsxms 24526 tmsms 24527 metustsym 24595 tngnrg 24714 cncff 24935 cncfi 24936 cfili 25310 iscmet3lem2 25334 mbfres 25686 mbfimaopnlem 25697 limcresi 25927 dvcnp2 25962 ulmcl 26421 ulmf 26422 ulmcau 26435 pserulm 26462 pserdvlem2 26468 sinq34lt0t 26551 logtayl 26702 dchrmhm 27282 lgsdir2lem2 27367 2sqlem9 27468 mulog2sum 27578 newbdayim 27973 eleei 29044 uhgrf 29209 ushgrf 29210 upgrf 29233 umgrf 29245 uspgrf 29301 usgrf 29302 usgrfs 29304 nbcplgr 29581 clwlkcompim 29926 tncp 30627 eulplig 30634 grpofo 30648 grpolidinv 30650 grpoass 30652 nvvop 30758 phpar 30973 pjch1 31819 nn0mnfxrd 32903 toslub 33112 tosglb 33114 suppgsumssiun 33213 exsslsb 33855 fldextsubrg 33907 fldextress 33909 zhmnrg 34223 issgon 34381 measfrge0 34461 measvnul 34464 measvun 34467 fzssfzo 34797 bnj916 35192 bnj983 35210 cplgredgex 35435 acycgrcycl 35461 mfsdisj 35864 mtyf2 35865 maxsta 35868 mvtinf 35869 r1peuqusdeg1 35957 hfun 36492 hfsn 36493 hfelhf 36495 hfuni 36498 hfpw 36499 fneuni 36671 elttcirr 36855 curryset 37395 mptsnunlem 37796 heibor1lem 38272 heiborlem1 38274 heiborlem3 38276 opidonOLD 38315 isexid2 38318 elrelsrelim 38906 presucmap 38958 eqvrelqsel 39163 eldisjsim1 39397 elpcliN 40481 lnrfg 43660 sdomne0 43953 sdomne0d 43954 pwinfi2 44102 frege55lem1c 44456 gneispacef 44675 gneispacef2 44676 gneispacern2 44679 gneispace0nelrn 44680 gneispaceel 44683 gneispacess 44685 mnuop123d 44802 trintALTVD 45419 trintALT 45420 eliuniin 45641 eliuniin2 45662 disjrnmpt2 45730 stoweidlem35 46573 saluncl 46855 saldifcl 46857 0sal 46858 sge0resplit 46944 omedm 47037 funressneu 47605 afvelrnb0 47722 afvelima 47725 rlimdmafv 47735 funressndmafv2rn 47781 rlimdmafv2 47816 elsetpreimafv 47955 oexpnegALTV 48263 gricbri 48502 grlimprop2 48572 grilcbri 48595 asslawass 48779 linindsi 49033 inisegn0a 49421 eloprab1st2nd 49453 uobrcl 49778 uobeq2 49986 isinito2 50084 basrestermcfolem 50156 discsnterm 50159 islmd 50250 |
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