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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 4054 0pss 4359 pssv 4361 disj4 4411 pwpwab 5062 zfpair 5382 opabn0 5527 relop 5827 ssrnres 6169 funopab 6575 funcnv2 6608 fnres 6666 dffv2 6980 funcnvmpt 6995 idref 7149 rnoprab 7525 suppssr 8213 frrlem9 8313 brwitnlem 8516 omeu 8594 naddcllem 8686 elixp 8933 dfsup2 9437 card2inf 9550 harndom 9557 dford2 9622 cantnfp1lem3 9682 cantnfp1 9683 cantnflem1 9691 ttrclresv 9719 tz9.12lem3 9797 djulf1o 9994 djurf1o 9995 dfac4 10202 dfac12a 10228 cflem 10324 cfsmolem 10349 dffin7-2 10477 dfacfin7 10478 brdom3 10608 iunfo 10624 gch3 10762 lbfzo0 13835 fzo1lb 13849 1elfzo1 13850 gcdcllem3 16672 1nprm 16855 cygctb 20107 expmhm 21743 expghm 21782 opsrtoslem2 22366 mat1dimelbas 22787 basdif0 23272 txdis1cn 23955 trfil2 24207 txflf 24326 clsnsg 24430 tgpconncomp 24433 perfdvf 26224 wilthlem3 27398 noeta2 28148 sltssnb 28156 etaslts2 28181 made0 28250 bdayons 28663 noseqind 28679 zsoring 28796 mpteleeOLD 29474 iscplgr 29997 rgrprcx 30174 blocnilem 31407 h1de2i 32156 nmop0 32589 nmfn0 32590 lnopconi 32637 lnfnconi 32658 stcltr2i 32878 1stpreima 33343 2ndpreima 33344 suppss3 33358 rncardr1prc 35807 acwer1prc 35809 onvf1od 35947 vonf1oonfo 35961 fmla0 36216 fmlasuc0 36218 elmrsubrn 36354 dftr6 36591 br6 36597 dford5reg 36619 txpss3v 36715 brtxp 36717 brpprod 36722 brsset 36726 dfon3 36729 brtxpsd 36731 brtxpsd2 36732 dffun10 36751 elfuns 36752 funpartlem 36781 fullfunfv 36786 dfrdg4 36790 dfint3 36791 brub 36793 dffr7 36795 hfext 37009 neibastop2lem 37223 mh-inf3f1 37404 bj-equsexval 37634 coi1in 38036 bj-elid3 38164 finxp0 38390 finxp1o 38391 brvdif 39274 xrnss3v 39389 ntrneiel2 45162 ntrneik4w 45176 ismnushort 45361 permaxpow 46075 funressnvmo 48191 dfdfat2 48274 |
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