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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 3459), 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 3459 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3459 | . 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 2143 Vcvv 3455 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-v 3457 |
| This theorem is referenced by: codir 6120 dfco2 6246 1st2val 8010 2nd2val 8011 fnmap 8826 enrefnn 9039 unfi 9151 wemappo 9507 wemapsolem 9508 fin23lem26 10304 seqval 14044 hash2exprb 14504 hashle2prv 14511 hash3tpexb 14527 mreexexlem4d 17698 pmtrrn2 19525 c0snmgmhm 20540 alexsubALTlem4 24207 elqaalem2 26481 seqsval 28481 upgrex 29442 cusgrsize 29804 erclwwlkref 30371 erclwwlksym 30372 erclwwlknref 30420 erclwwlknsym 30421 eclclwwlkn1 30426 onvfowev 35600 gonanegoal 35844 gonarlem 35886 gonar 35887 fmla0disjsuc 35890 fmlasucdisj 35891 mclsppslem 36075 fneer 36884 curunc 38273 matunitlindflem2 38288 vvdifopab 38934 inxprnres 38967 ineccnvmo 39026 alrmomorn 39027 dfsucmap3 39132 dmsucmap 39137 dfcoss2 39172 dfcoss3 39173 cosscnv 39175 cocossss 39195 cnvcosseq 39196 refressn 39202 antisymressn 39203 trressn 39204 rncossdmcoss 39214 symrelcoss3 39224 1cosscnvxrn 39234 cosscnvssid3 39235 cosscnvssid4 39236 coss0 39238 trcoss 39241 trcoss2 39243 erimeq2 39432 dfeldisj3 39480 dfeldisj4 39481 eldisjdmqsim 39486 dfantisymrel5 39534 dfpetparts2 39641 dfpeters2 39643 ismrc 43452 en2pr 44293 pr2cv 44294 permaxext 45734 permac8prim 45743 ovnsubaddlem1 47304 sprsymrelfvlem 48259 sprsymrelf1lem 48260 prprelb 48285 prprspr2 48287 reuprpr 48292 2exopprim 48294 reuopreuprim 48295 |
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