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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 3435), 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 3435 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3435 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 698 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2119 Vcvv 3431 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-v 3433 |
| This theorem is referenced by: codir 6070 dfco2 6196 1st2val 7959 2nd2val 7960 fnmap 8770 enrefnn 8983 unfi 9095 wemappo 9454 wemapsolem 9455 fin23lem26 10238 seqval 13965 hash2exprb 14424 hashle2prv 14431 hash3tpexb 14447 mreexexlem4d 17604 pmtrrn2 19426 c0snmgmhm 20433 alexsubALTlem4 24033 elqaalem2 26304 seqsval 28298 upgrex 29179 cusgrsize 29541 erclwwlkref 30108 erclwwlksym 30109 erclwwlknref 30157 erclwwlknsym 30158 eclclwwlkn1 30163 gonanegoal 35580 gonarlem 35622 gonar 35623 fmla0disjsuc 35626 fmlasucdisj 35627 mclsppslem 35811 fneer 36581 curunc 37969 matunitlindflem2 37984 vvdifopab 38632 inxprnres 38665 ineccnvmo 38724 alrmomorn 38725 dfsucmap3 38830 dmsucmap 38835 dfcoss2 38870 dfcoss3 38871 cosscnv 38873 cocossss 38893 cnvcosseq 38894 refressn 38900 antisymressn 38901 trressn 38902 rncossdmcoss 38912 symrelcoss3 38922 1cosscnvxrn 38932 cosscnvssid3 38933 cosscnvssid4 38934 coss0 38936 trcoss 38939 trcoss2 38941 erimeq2 39130 dfeldisj3 39178 dfeldisj4 39179 eldisjdmqsim 39184 dfantisymrel5 39232 dfpetparts2 39339 dfpeters2 39341 ismrc 43150 en2pr 43991 pr2cv 43992 permaxext 45449 permac8prim 45458 ovnsubaddlem1 47013 sprsymrelfvlem 47965 sprsymrelf1lem 47966 prprelb 47991 prprspr2 47993 reuprpr 47998 2exopprim 48000 reuopreuprim 48001 |
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