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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 3499), 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 3499 | . 2 ⊢ 𝑥 ∈ V | |
2 | vex 3499 | . 2 ⊢ 𝑦 ∈ V | |
3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
4 | 1, 2, 3 | mp2an 690 | 1 ⊢ 𝜑 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2114 Vcvv 3496 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1781 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-v 3498 |
This theorem is referenced by: codir 5982 dfco2 6100 1st2val 7719 2nd2val 7720 fnmap 8415 wemappo 9015 wemapsolem 9016 fin23lem26 9749 seqval 13383 hash2exprb 13832 hashle2prv 13839 mreexexlem4d 16920 pmtrrn2 18590 alexsubALTlem4 22660 elqaalem2 24911 upgrex 26879 cusgrsize 27238 erclwwlkref 27800 erclwwlksym 27801 erclwwlknref 27850 erclwwlknsym 27851 eclclwwlkn1 27856 gonanegoal 32601 gonarlem 32643 gonar 32644 fmla0disjsuc 32647 fmlasucdisj 32648 mclsppslem 32832 fneer 33703 curunc 34876 matunitlindflem2 34891 vvdifopab 35523 inxprnres 35551 ineccnvmo 35613 alrmomorn 35614 dfcoss2 35663 dfcoss3 35664 cocossss 35683 cnvcosseq 35684 rncossdmcoss 35697 symrelcoss3 35707 1cosscnvxrn 35717 cosscnvssid3 35718 cosscnvssid4 35719 coss0 35721 trcoss 35724 trcoss2 35726 erim2 35913 dfeldisj3 35954 dfeldisj4 35955 ismrc 39305 en2pr 39913 pr2cv 39914 ovnsubaddlem1 42859 sprsymrelfvlem 43659 sprsymrelf1lem 43660 prprelb 43685 prprspr2 43687 reuprpr 43692 2exopprim 43694 reuopreuprim 43695 c0snmgmhm 44192 |
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