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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 | ibi.1 | . . 3 ⊢ (𝜑 → (𝜑 ↔ 𝜓)) | |
2 | 1 | biimpd 218 | . 2 ⊢ (𝜑 → (𝜑 → 𝜓)) |
3 | 2 | pm2.43i 50 | 1 ⊢ (𝜑 → 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 |
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 196 |
This theorem is referenced by: ibir 256 elimh 1024 elimhOLD 1027 elab3gf 3325 elimhyp 4096 elimhyp2v 4097 elimhyp3v 4098 elimhyp4v 4099 elpwi 4117 elsni 4142 elpri 4145 eltpi 4176 snssi 4280 prssi 4293 prelpwi 4842 elxpi 5054 releldmb 5281 relelrnb 5282 elpredim 5609 eloni 5650 limuni2 5703 funeu 5828 fneu 5909 fvelima 6158 eloprabi 7121 fo2ndf 7171 tfrlem9 7368 oeeulem 7568 elqsi 7687 qsel 7713 ecopovsym 7736 elpmi 7762 elmapi 7765 pmsspw 7778 brdomi 7852 undom 7933 mapdom1 8010 ominf 8057 unblem2 8098 unfilem1 8109 fiin 8211 brwdomi 8356 canthwdom 8367 brwdom3i 8371 unxpwdom 8377 scott0 8632 acni 8751 pwcdadom 8921 fin1ai 8998 fin2i 9000 fin4i 9003 ssfin3ds 9035 fin23lem17 9043 fin23lem38 9054 fin23lem39 9055 isfin32i 9070 fin34 9095 isfin7-2 9101 fin1a2lem13 9117 fin12 9118 gchi 9325 wuntr 9406 wununi 9407 wunpw 9408 wunpr 9410 wun0 9419 tskpwss 9453 tskpw 9454 tsken 9455 grutr 9494 grupw 9496 grupr 9498 gruurn 9499 ingru 9516 indpi 9608 eliooord 12104 fzrev3i 12277 elfzole1 12347 elfzolt2 12348 fz1fzo0m1 12383 bcp1nk 12966 rere 13710 nn0abscl 13900 climcl 14078 rlimcl 14082 rlimdm 14130 o1res 14139 rlimdmo1 14196 climcau 14249 caucvgb 14258 fprodcnv 14552 cshws0 15646 restsspw 15915 mreiincl 16079 catidex 16158 catcocl 16169 catass 16170 homa1 16510 homahom2 16511 odulat 16968 dlatjmdi 17020 psrel 17026 psref2 17027 pstr2 17028 reldir 17056 dirdm 17057 dirref 17058 dirtr 17059 dirge 17060 mgmcl 17068 submss 17173 subm0cl 17175 submcl 17176 submmnd 17177 subgsubm 17439 symgbasf1o 17626 symginv 17645 psgneu 17749 odmulg 17796 efgsp1 17973 efgsres 17974 frgpnabl 18101 dprdgrp 18227 dprdf 18228 abvfge0 18645 abveq0 18649 abvmul 18652 abvtri 18653 lbsss 18898 lbssp 18900 lbsind 18901 opsrtoslem2 19306 opsrso 19308 domnchr 19699 cssi 19847 linds1 19968 linds2 19969 lindsind 19975 mdetunilem9 20245 uniopn 20527 iunopn 20528 inopn 20529 fiinopn 20531 eltpsg 20560 basis1 20565 basis2 20566 eltg4i 20575 lmff 20915 t1sep2 20983 cmpfii 21022 ptfinfin 21132 kqhmph 21432 fbasne0 21444 0nelfb 21445 fbsspw 21446 fbasssin 21450 ufli 21528 uffixfr 21537 elfm 21561 fclsopni 21629 fclselbas 21630 ustssxp 21818 ustbasel 21820 ustincl 21821 ustdiag 21822 ustinvel 21823 ustexhalf 21824 ustfilxp 21826 ustbas2 21839 ustbas 21841 psmetf 21921 psmet0 21923 psmettri2 21924 metflem 21943 xmetf 21944 xmeteq0 21953 xmettri2 21955 tmsxms 22101 tmsms 22102 metustsym 22170 tngnrg 22288 cncff 22504 cncfi 22505 cfili 22874 iscmet3lem2 22898 mbfres 23217 mbfimaopnlem 23228 limcresi 23455 dvcnp2 23489 ulmcl 23939 ulmf 23940 ulmcau 23953 pserulm 23980 pserdvlem2 23986 sinq34lt0t 24065 logtayl 24206 dchrmhm 24766 lgsdir2lem2 24851 2sqlem9 24952 mulog2sum 25026 eleei 25577 uhgrf 25728 ushgrf 25729 upgrf 25753 umgrf 25764 uhgraf 25828 ushgraf 25831 umgraf2 25846 uslgraf 25874 usgraf 25875 usgraf0 25877 clwwisshclww 26335 frisusgrapr 26518 tncp 26721 grpofo 26737 grpolidinv 26739 grpoass 26741 nvvop 26848 phpar 27063 pjch1 27913 toslub 28999 tosglb 29001 orngsqr 29135 zhmnrg 29339 issgon 29513 measfrge0 29593 measvnul 29596 measvun 29599 fzssfzo 29940 bnj916 30257 bnj983 30275 mfsdisj 30701 mtyf2 30702 maxsta 30705 mvtinf 30706 orderseqlem 30993 hfun 31455 hfsn 31456 hfelhf 31458 hfuni 31461 hfpw 31462 fneuni 31512 bj-elid 32262 mptsnunlem 32361 heibor1lem 32778 heiborlem1 32780 heiborlem3 32782 opidonOLD 32821 isexid2 32824 elpcliN 34197 lnrfg 36708 pwinfi2 36886 frege55lem1c 37230 gneispacef 37453 gneispacef2 37454 gneispacern2 37457 gneispace0nelrn 37458 gneispaceel 37461 gneispacess 37463 trintALTVD 38138 trintALT 38139 disjrnmpt2 38370 stoweidlem35 38928 saluncl 39213 saldifcl 39215 sge0resplit 39299 afvelrnb0 39893 afvelima 39896 rlimdmafv 39906 uspgrf 40384 usgrf 40385 usgrfs 40387 nbcplgr 40656 clWlkcompim 40987 crctcsh1wlkn0 41024 submgmss 41582 submgmcl 41584 submgmmgm 41585 asslawass 41619 linindsi 42030 |
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