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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 3433), 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 3433 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3433 | . 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 3429 |
| 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 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3431 |
| This theorem is referenced by: codir 6083 dfco2 6209 1st2val 7970 2nd2val 7971 fnmap 8780 enrefnn 8993 unfi 9105 wemappo 9464 wemapsolem 9465 fin23lem26 10247 seqval 13974 hash2exprb 14433 hashle2prv 14440 hash3tpexb 14456 mreexexlem4d 17613 pmtrrn2 19435 c0snmgmhm 20442 alexsubALTlem4 24015 elqaalem2 26286 seqsval 28280 upgrex 29161 cusgrsize 29523 erclwwlkref 30090 erclwwlksym 30091 erclwwlknref 30139 erclwwlknsym 30140 eclclwwlkn1 30145 gonanegoal 35534 gonarlem 35576 gonar 35577 fmla0disjsuc 35580 fmlasucdisj 35581 mclsppslem 35765 fneer 36535 curunc 37923 matunitlindflem2 37938 vvdifopab 38586 inxprnres 38619 ineccnvmo 38678 alrmomorn 38679 dfsucmap3 38784 dmsucmap 38789 dfcoss2 38824 dfcoss3 38825 cosscnv 38827 cocossss 38847 cnvcosseq 38848 refressn 38854 antisymressn 38855 trressn 38856 rncossdmcoss 38866 symrelcoss3 38876 1cosscnvxrn 38886 cosscnvssid3 38887 cosscnvssid4 38888 coss0 38890 trcoss 38893 trcoss2 38895 erimeq2 39084 dfeldisj3 39132 dfeldisj4 39133 eldisjdmqsim 39138 dfantisymrel5 39186 dfpetparts2 39293 dfpeters2 39295 ismrc 43133 en2pr 43974 pr2cv 43975 permaxext 45432 permac8prim 45441 ovnsubaddlem1 46998 sprsymrelfvlem 47950 sprsymrelf1lem 47951 prprelb 47976 prprspr2 47978 reuprpr 47983 2exopprim 47985 reuopreuprim 47986 |
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