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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 3461), 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 3461 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | vex 3461 | . 2 ⊢ 𝑦 ∈ V | |
| 3 | el2v.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑) | |
| 4 | 1, 2, 3 | mp2an 705 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2146 Vcvv 3457 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-v 3459 |
| This theorem is used by: codir 6122 dfco2 6248 1st2val 8020 2nd2val 8021 fnmap 8836 enrefnn 9050 unfi 9162 wemappo 9518 wemapsolem 9519 fin23lem26 10324 seqval 14068 hash2exprb 14528 hashle2prv 14535 hash3tpexb 14551 mreexexlem4d 17727 pmtrrn2 19576 c0snmgmhm 20592 alexsubALTlem4 24260 elqaalem2 26534 seqsval 28534 upgrex 29499 cusgrsize 29864 erclwwlkref 30440 erclwwlksym 30441 erclwwlknref 30489 erclwwlknsym 30490 eclclwwlkn1 30495 onvfowev 35659 gonanegoal 35883 gonarlem 35925 gonar 35926 fmla0disjsuc 35929 fmlasucdisj 35930 mclsppslem 36114 fneer 36923 curunc 38312 matunitlindflem2 38327 findcard4 38424 vvdifopab 38974 inxprnres 39007 ineccnvmo 39066 alrmomorn 39067 dfsucmap3 39172 dmsucmap 39177 dfcoss2 39212 dfcoss3 39213 cosscnv 39215 cocossss 39235 cnvcosseq 39236 refressn 39242 antisymressn 39243 trressn 39244 rncossdmcoss 39254 symrelcoss3 39264 1cosscnvxrn 39274 cosscnvssid3 39275 cosscnvssid4 39276 coss0 39278 trcoss 39281 trcoss2 39283 erimeq2 39472 dfeldisj3 39520 dfeldisj4 39521 eldisjdmqsim 39526 dfantisymrel5 39574 dfpetparts2 39681 dfpeters2 39683 ismrc 43492 en2pr 44333 pr2cv 44334 permaxext 45774 permac8prim 45783 ovnsubaddlem1 47344 sprsymrelfvlem 48299 sprsymrelf1lem 48300 prprelb 48325 prprspr2 48327 reuprpr 48332 2exopprim 48334 reuopreuprim 48335 |
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