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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 3458), 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 3458 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3458 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 702 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2142 Vcvv 3454 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1563 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-v 3456 |
| This theorem is referenced by: codir 6107 dfco2 6232 1st2val 7998 2nd2val 7999 fnmap 8814 enrefnn 9027 unfi 9139 wemappo 9497 wemapsolem 9498 fin23lem26 10282 seqval 14025 hash2exprb 14484 hashle2prv 14491 hash3tpexb 14507 mreexexlem4d 17679 pmtrrn2 19500 c0snmgmhm 20511 alexsubALTlem4 24110 elqaalem2 26384 seqsval 28381 upgrex 29293 cusgrsize 29655 erclwwlkref 30222 erclwwlksym 30223 erclwwlknref 30271 erclwwlknsym 30272 eclclwwlkn1 30277 onvfowev 35459 gonanegoal 35702 gonarlem 35744 gonar 35745 fmla0disjsuc 35748 fmlasucdisj 35749 mclsppslem 35933 fneer 36713 curunc 38101 matunitlindflem2 38116 vvdifopab 38764 inxprnres 38797 ineccnvmo 38856 alrmomorn 38857 dfsucmap3 38962 dmsucmap 38967 dfcoss2 39002 dfcoss3 39003 cosscnv 39005 cocossss 39025 cnvcosseq 39026 refressn 39032 antisymressn 39033 trressn 39034 rncossdmcoss 39044 symrelcoss3 39054 1cosscnvxrn 39064 cosscnvssid3 39065 cosscnvssid4 39066 coss0 39068 trcoss 39071 trcoss2 39073 erimeq2 39262 dfeldisj3 39310 dfeldisj4 39311 eldisjdmqsim 39316 dfantisymrel5 39364 dfpetparts2 39471 dfpeters2 39473 ismrc 43282 en2pr 44123 pr2cv 44124 permaxext 45581 permac8prim 45590 ovnsubaddlem1 47144 sprsymrelfvlem 48096 sprsymrelf1lem 48097 prprelb 48122 prprspr2 48124 reuprpr 48129 2exopprim 48131 reuopreuprim 48132 |
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