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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 540 | . 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 401 |
| 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 402 |
| This theorem is used by: mpbiran2 723 mpbir2an 724 pm5.63 1037 equsexALT 2448 velcomp 3913 0pss 4359 pssv 4361 disj4 4411 pwpwab 5062 zfpair 5382 opabn0 5524 relop 5824 ssrnres 6165 funopab 6563 funcnv2 6596 fnres 6654 dffv2 6968 funcnvmpt 6983 idref 7137 rnoprab 7513 suppssr 8190 frrlem9 8290 brwitnlem 8493 omeu 8571 naddcllem 8663 elixp 8910 dfsup2 9414 card2inf 9527 harndom 9534 dford2 9599 cantnfp1lem3 9659 cantnfp1 9660 cantnflem1 9668 ttrclresv 9696 tz9.12lem3 9771 djulf1o 9965 djurf1o 9966 dfac4 10173 dfac12a 10199 cflem 10295 cfsmolem 10320 dffin7-2 10448 dfacfin7 10449 brdom3 10579 iunfo 10595 gch3 10733 lbfzo0 13803 fzo1lb 13817 1elfzo1 13818 gcdcllem3 16639 1nprm 16817 cygctb 20068 expmhm 21704 expghm 21743 opsrtoslem2 22327 mat1dimelbas 22748 basdif0 23233 txdis1cn 23916 trfil2 24168 txflf 24287 clsnsg 24391 tgpconncomp 24394 perfdvf 26185 wilthlem3 27361 noeta2 28081 sltssnb 28089 etaslts2 28114 made0 28183 bdayons 28596 noseqind 28612 zsoring 28729 mpteleeOLD 29407 iscplgr 29930 rgrprcx 30107 blocnilem 31340 h1de2i 32089 nmop0 32522 nmfn0 32523 lnopconi 32570 lnfnconi 32591 stcltr2i 32811 1stpreima 33234 2ndpreima 33235 suppss3 33249 onvf1od 35811 vonf1oonfo 35819 fmla0 36068 fmlasuc0 36070 elmrsubrn 36206 dftr6 36437 br6 36443 dford5reg 36466 txpss3v 36562 brtxp 36564 brpprod 36569 brsset 36573 dfon3 36576 brtxpsd 36578 brtxpsd2 36579 dffun10 36598 elfuns 36599 funpartlem 36628 fullfunfv 36633 dfrdg4 36637 dfint3 36638 brub 36640 dffr7 36642 hfext 36856 neibastop2lem 37070 mh-inf3f1 37251 bj-equsexval 37481 bj-elid3 38008 finxp0 38234 finxp1o 38235 brvdif 39118 xrnss3v 39233 ntrneiel2 45030 ntrneik4w 45044 ismnushort 45229 permaxpow 45936 funressnvmo 48037 dfdfat2 48120 |
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