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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 3446), 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 3446 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3446 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 693 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 Vcvv 3442 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-v 3444 |
| This theorem is referenced by: codir 6085 dfco2 6211 1st2val 7971 2nd2val 7972 fnmap 8782 enrefnn 8995 unfi 9107 wemappo 9466 wemapsolem 9467 fin23lem26 10247 seqval 13947 hash2exprb 14406 hashle2prv 14413 hash3tpexb 14429 mreexexlem4d 17582 pmtrrn2 19401 c0snmgmhm 20410 alexsubALTlem4 24006 elqaalem2 26296 seqsval 28296 upgrex 29177 cusgrsize 29540 erclwwlkref 30107 erclwwlksym 30108 erclwwlknref 30156 erclwwlknsym 30157 eclclwwlkn1 30162 gonanegoal 35568 gonarlem 35610 gonar 35611 fmla0disjsuc 35614 fmlasucdisj 35615 mclsppslem 35799 fneer 36569 curunc 37853 matunitlindflem2 37868 vvdifopab 38516 inxprnres 38549 ineccnvmo 38608 alrmomorn 38609 dfsucmap3 38714 dmsucmap 38719 dfcoss2 38754 dfcoss3 38755 cosscnv 38757 cocossss 38777 cnvcosseq 38778 refressn 38784 antisymressn 38785 trressn 38786 rncossdmcoss 38796 symrelcoss3 38806 1cosscnvxrn 38816 cosscnvssid3 38817 cosscnvssid4 38818 coss0 38820 trcoss 38823 trcoss2 38825 erimeq2 39014 dfeldisj3 39062 dfeldisj4 39063 eldisjdmqsim 39068 dfantisymrel5 39116 dfpetparts2 39223 dfpeters2 39225 ismrc 43058 en2pr 43903 pr2cv 43904 permaxext 45361 permac8prim 45370 ovnsubaddlem1 46928 sprsymrelfvlem 47850 sprsymrelf1lem 47851 prprelb 47876 prprspr2 47878 reuprpr 47883 2exopprim 47885 reuopreuprim 47886 |
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