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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 526 | . 2 ⊢ (𝜒 ↔ (𝜓 ∧ 𝜒)) |
4 | 1, 3 | bitr4i 266 | 1 ⊢ (𝜑 ↔ 𝜒) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 ∧ wa 383 |
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 df-an 385 |
This theorem is referenced by: mpbir2an 957 pm5.63 961 equsexvw 1919 equsexv 2095 equsexALT 2282 ddif 3704 dfun2 3821 dfin2 3822 0pss 3965 pssv 3968 disj4 3977 zfpair 4831 opabn0 4931 relop 5194 ssrnres 5491 funopab 5837 funcnv2 5871 fnres 5921 dffv2 6181 idref 6403 rnoprab 6641 suppssr 7213 brwitnlem 7474 omeu 7552 elixp 7801 1sdom 8048 dfsup2 8233 wemapso2lem 8340 card2inf 8343 harndom 8352 dford2 8400 cantnfp1lem3 8460 cantnfp1 8461 cantnflem1 8469 tz9.12lem3 8535 dfac4 8828 dfac12a 8853 cflem 8951 cfsmolem 8975 dffin7-2 9103 dfacfin7 9104 brdom3 9231 iunfo 9240 gch3 9377 lbfzo0 12375 gcdcllem3 15061 1nprm 15230 cygctb 18116 opsrtoslem2 19306 expmhm 19634 expghm 19663 mat1dimelbas 20096 basdif0 20568 txdis1cn 21248 trfil2 21501 txflf 21620 clsnsg 21723 tgpconcomp 21726 perfdvf 23473 wilthlem3 24596 mptelee 25575 blocnilem 27043 h1de2i 27796 nmop0 28229 nmfn0 28230 lnopconi 28277 lnfnconi 28298 stcltr2i 28518 funcnvmptOLD 28850 funcnvmpt 28851 1stpreima 28867 2ndpreima 28868 suppss3 28890 elmrsubrn 30671 dftr6 30893 dfpo2 30898 br6 30900 dford5reg 30931 txpss3v 31155 brsset 31166 dfon3 31169 brtxpsd 31171 brtxpsd2 31172 dffun10 31191 elfuns 31192 funpartlem 31219 fullfunfv 31224 dfrdg4 31228 dfint3 31229 brub 31231 hfext 31460 neibastop2lem 31525 bj-equsexval 31827 finxp0 32404 finxp1o 32405 ntrneiel2 37404 ntrneik4w 37418 compel 37663 dfdfat2 39860 rgrprcx 40792 |
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