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| Mirrors > Home > MPE Home > Th. List > el2v | Structured version Visualization version GIF version | ||
| Description: If a proposition is implied by 𝑥 ∈ V and 𝑦 ∈ V (which is true, see vex 3461), then it is true. (Contributed by Peter Mazsa, 13-Oct-2018.) |
| Ref | Expression |
|---|---|
| el2v.1 | ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) |
| Ref | Expression |
|---|---|
| el2v | ⊢ 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3461 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3461 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 704 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2145 Vcvv 3457 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1566 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-v 3459 |
| This theorem is referenced by: codir 6110 dfco2 6235 1st2val 8002 2nd2val 8003 fnmap 8818 enrefnn 9031 unfi 9143 wemappo 9499 wemapsolem 9500 fin23lem26 10297 seqval 14036 hash2exprb 14496 hashle2prv 14503 hash3tpexb 14519 mreexexlem4d 17691 pmtrrn2 19518 c0snmgmhm 20532 alexsubALTlem4 24164 elqaalem2 26438 seqsval 28435 upgrex 29347 cusgrsize 29709 erclwwlkref 30276 erclwwlksym 30277 erclwwlknref 30325 erclwwlknsym 30326 eclclwwlkn1 30331 onvfowev 35466 gonanegoal 35710 gonarlem 35752 gonar 35753 fmla0disjsuc 35756 fmlasucdisj 35757 mclsppslem 35941 fneer 36721 curunc 38108 matunitlindflem2 38123 vvdifopab 38771 inxprnres 38804 ineccnvmo 38863 alrmomorn 38864 dfsucmap3 38969 dmsucmap 38974 dfcoss2 39009 dfcoss3 39010 cosscnv 39012 cocossss 39032 cnvcosseq 39033 refressn 39039 antisymressn 39040 trressn 39041 rncossdmcoss 39051 symrelcoss3 39061 1cosscnvxrn 39071 cosscnvssid3 39072 cosscnvssid4 39073 coss0 39075 trcoss 39078 trcoss2 39080 erimeq2 39269 dfeldisj3 39317 dfeldisj4 39318 eldisjdmqsim 39323 dfantisymrel5 39371 dfpetparts2 39478 dfpeters2 39480 ismrc 43289 en2pr 44130 pr2cv 44131 permaxext 45573 permac8prim 45582 ovnsubaddlem1 47143 sprsymrelfvlem 48095 sprsymrelf1lem 48096 prprelb 48121 prprspr2 48123 reuprpr 48128 2exopprim 48130 reuopreuprim 48131 |
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