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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 3467), 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 3467 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3467 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 704 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2149 Vcvv 3463 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3465 |
| This theorem is referenced by: codir 6121 dfco2 6247 1st2val 8014 2nd2val 8015 fnmap 8830 enrefnn 9043 unfi 9155 wemappo 9511 wemapsolem 9512 fin23lem26 10309 seqval 14048 hash2exprb 14508 hashle2prv 14515 hash3tpexb 14531 mreexexlem4d 17703 pmtrrn2 19530 c0snmgmhm 20544 alexsubALTlem4 24176 elqaalem2 26450 seqsval 28447 upgrex 29383 cusgrsize 29745 erclwwlkref 30312 erclwwlksym 30313 erclwwlknref 30361 erclwwlknsym 30362 eclclwwlkn1 30367 onvfowev 35499 gonanegoal 35743 gonarlem 35785 gonar 35786 fmla0disjsuc 35789 fmlasucdisj 35790 mclsppslem 35974 fneer 36753 curunc 38141 matunitlindflem2 38156 vvdifopab 38804 inxprnres 38837 ineccnvmo 38896 alrmomorn 38897 dfsucmap3 39002 dmsucmap 39007 dfcoss2 39042 dfcoss3 39043 cosscnv 39045 cocossss 39065 cnvcosseq 39066 refressn 39072 antisymressn 39073 trressn 39074 rncossdmcoss 39084 symrelcoss3 39094 1cosscnvxrn 39104 cosscnvssid3 39105 cosscnvssid4 39106 coss0 39108 trcoss 39111 trcoss2 39113 erimeq2 39302 dfeldisj3 39350 dfeldisj4 39351 eldisjdmqsim 39356 dfantisymrel5 39404 dfpetparts2 39511 dfpeters2 39513 ismrc 43324 en2pr 44165 pr2cv 44166 permaxext 45606 permac8prim 45615 ovnsubaddlem1 47176 sprsymrelfvlem 48128 sprsymrelf1lem 48129 prprelb 48154 prprspr2 48156 reuprpr 48161 2exopprim 48163 reuopreuprim 48164 |
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