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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 3444), 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 3444 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3444 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 692 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2113 Vcvv 3440 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3442 |
| This theorem is referenced by: codir 6077 dfco2 6203 1st2val 7961 2nd2val 7962 fnmap 8770 enrefnn 8983 unfi 9095 wemappo 9454 wemapsolem 9455 fin23lem26 10235 seqval 13935 hash2exprb 14394 hashle2prv 14401 hash3tpexb 14417 mreexexlem4d 17570 pmtrrn2 19389 c0snmgmhm 20398 alexsubALTlem4 23994 elqaalem2 26284 seqsval 28284 upgrex 29165 cusgrsize 29528 erclwwlkref 30095 erclwwlksym 30096 erclwwlknref 30144 erclwwlknsym 30145 eclclwwlkn1 30150 gonanegoal 35546 gonarlem 35588 gonar 35589 fmla0disjsuc 35592 fmlasucdisj 35593 mclsppslem 35777 fneer 36547 curunc 37803 matunitlindflem2 37818 vvdifopab 38460 inxprnres 38493 ineccnvmo 38552 alrmomorn 38553 dfsucmap3 38647 dmsucmap 38652 dfcoss2 38686 dfcoss3 38687 cosscnv 38689 cocossss 38709 cnvcosseq 38710 refressn 38716 antisymressn 38717 trressn 38718 rncossdmcoss 38728 symrelcoss3 38738 1cosscnvxrn 38748 cosscnvssid3 38749 cosscnvssid4 38750 coss0 38752 trcoss 38755 trcoss2 38757 erimeq2 38947 dfeldisj3 38988 dfeldisj4 38989 dfantisymrel5 39031 ismrc 42953 en2pr 43798 pr2cv 43799 permaxext 45256 permac8prim 45265 ovnsubaddlem1 46824 sprsymrelfvlem 47746 sprsymrelf1lem 47747 prprelb 47772 prprspr2 47774 reuprpr 47779 2exopprim 47781 reuopreuprim 47782 |
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