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| Mirrors > Home > MPE Home > Th. List > mpbiran | Structured version Visualization version GIF version | ||
| Description: Detach truth from conjunction in biconditional. (Contributed by NM, 27-Feb-1996.) |
| Ref | Expression |
|---|---|
| mpbiran.1 | ⊢ 𝜓 |
| mpbiran.2 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
| Ref | Expression |
|---|---|
| mpbiran | ⊢ (𝜑 ↔ 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpbiran.2 | . 2 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) | |
| 2 | mpbiran.1 | . . 3 ⊢ 𝜓 | |
| 3 | 2 | biantrur 539 | . 2 ⊢ (𝜒 ↔ (𝜓 ∧ 𝜒)) |
| 4 | 1, 3 | bitr4i 281 | 1 ⊢ (𝜑 ↔ 𝜒) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 400 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 401 |
| This theorem is used by: mpbiran2 722 mpbir2an 723 pm5.63 1036 equsexALT 2450 velcomp 3919 0pss 4366 pssv 4368 disj4 4418 pwpwab 5068 zfpair 5391 opabn0 5537 relop 5835 ssrnres 6175 funopab 6571 funcnv2 6604 fnres 6662 dffv2 6976 funcnvmpt 6991 idref 7142 rnoprab 7517 suppssr 8189 frrlem9 8289 brwitnlem 8490 omeu 8568 naddcllem 8660 elixp 8900 dfsup2 9402 card2inf 9515 harndom 9522 dford2 9587 cantnfp1lem3 9647 cantnfp1 9648 cantnflem1 9656 ttrclresv 9684 tz9.12lem3 9759 djulf1o 9905 djurf1o 9906 dfac4 10113 dfac12a 10139 cflem 10235 cfsmolem 10260 dffin7-2 10388 dfacfin7 10389 brdom3 10518 iunfo 10529 gch3 10667 lbfzo0 13735 fzo1lb 13749 1elfzo1 13750 gcdcllem3 16565 1nprm 16743 cygctb 19968 expmhm 21597 expghm 21636 opsrtoslem2 22218 mat1dimelbas 22639 basdif0 23121 txdis1cn 23803 trfil2 24055 txflf 24174 clsnsg 24278 tgpconncomp 24281 perfdvf 26073 wilthlem3 27245 noeta2 27965 sltssnb 27973 etaslts2 27998 made0 28067 bdayons 28480 noseqind 28496 zsoring 28613 mpteleeOLD 29256 iscplgr 29776 rgrprcx 29953 blocnilem 31167 h1de2i 31916 nmop0 32349 nmfn0 32350 lnopconi 32397 lnfnconi 32418 stcltr2i 32638 1stpreima 33063 2ndpreima 33064 suppss3 33079 onvf1od 35599 vonf1oonfo 35607 fmla0 35882 fmlasuc0 35884 elmrsubrn 36020 dftr6 36251 br6 36257 dford5reg 36280 txpss3v 36376 brtxp 36378 brpprod 36383 brsset 36387 dfon3 36390 brtxpsd 36392 brtxpsd2 36393 dffun10 36412 elfuns 36413 funpartlem 36442 fullfunfv 36447 dfrdg4 36451 dfint3 36452 brub 36454 hfext 36683 neibastop2lem 36899 bj-equsexval 37310 bj-elid3 37839 finxp0 38065 finxp1o 38066 brvdif 38943 xrnss3v 39058 ntrneiel2 44840 ntrneik4w 44854 ismnushort 45039 permaxpow 45746 funressnvmo 47810 dfdfat2 47893 |
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