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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 2451 velcomp 4057 0pss 4363 pssv 4365 disj4 4415 pwpwab 5066 zfpair 5387 opabn0 5532 relop 5834 ssrnres 6182 funopab 6595 funcnv2 6630 fnres 6688 dffv2 7003 funcnvmpt 7018 idref 7173 rnoprab 7548 suppssr 8240 frrlem9 8340 brwitnlem 8543 omeu 8621 naddcllem 8713 elixp 8960 dfsup2 9463 card2inf 9576 harndom 9583 dford2 9648 cantnfp1lem3 9708 cantnfp1 9709 cantnflem1 9717 ttrclresv 9745 tz9.12lem3 9823 djulf1o 10020 djurf1o 10021 dfac4 10228 dfac12a 10254 cflem 10350 cfsmolem 10375 dffin7-2 10503 dfacfin7 10504 brdom3 10634 iunfo 10650 gch3 10788 lbfzo0 13861 fzo1lb 13875 1elfzo1 13876 gcdcllem3 16700 1nprm 16883 cygctb 20136 expmhm 21772 expghm 21811 opsrtoslem2 22395 mat1dimelbas 22816 basdif0 23301 txdis1cn 23984 trfil2 24236 txflf 24355 clsnsg 24459 tgpconncomp 24462 perfdvf 26253 wilthlem3 27427 noeta2 28177 sltssnb 28185 etaslts2 28210 made0 28279 bdayons 28692 noseqind 28708 zsoring 28825 mpteleeOLD 29503 iscplgr 30026 rgrprcx 30203 blocnilem 31436 h1de2i 32185 nmop0 32618 nmfn0 32619 lnopconi 32666 lnfnconi 32687 stcltr2i 32907 1stpreima 33371 2ndpreima 33372 suppss3 33385 rncardr1prc 35850 acwer1prc 35852 onvf1od 36035 vonf1oonfo 36049 fmla0 36314 fmlasuc0 36316 elmrsubrn 36452 dftr6 36694 br6 36700 dford5reg 36722 txpss3v 36818 brtxp 36820 brpprod 36825 brsset 36829 dfon3 36832 brtxpsd 36834 brtxpsd2 36835 dffun10 36854 elfuns 36855 funpartlem 36884 fullfunfv 36889 dfrdg4 36893 dfint3 36894 brub 36896 dffr7 36898 hfext 37112 neibastop2lem 37326 mh-inf3f1 37507 bj-equsexval 37737 bj-elid3 38280 finxp0 38506 finxp1o 38507 brvdif 39390 xrnss3v 39505 ntrneiel2 45278 ntrneik4w 45292 ismnushort 45477 permaxpow 46194 funressnvmo 48320 dfdfat2 48403 fucoisfunc 50692 |
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