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| Mirrors > Home > MPE Home > Th. List > difexi | Structured version Visualization version GIF version | ||
| Description: Existence of a difference, inference version of difexg 5260. (Contributed by Glauco Siliprandi, 3-Mar-2021.) (Revised by AV, 26-Mar-2021.) |
| Ref | Expression |
|---|---|
| difexi.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| difexi | ⊢ (𝐴 ∖ 𝐵) ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | difexi.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | difexg 5260 | . 2 ⊢ (𝐴 ∈ V → (𝐴 ∖ 𝐵) ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 ∖ 𝐵) ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2121 Vcvv 3433 ∖ cdif 3882 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-sep 5221 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-3an 1095 df-tru 1551 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-rab 3394 df-v 3435 df-dif 3888 df-in 3892 df-ss 3902 |
| This theorem is referenced by: oev 8443 naddcllem 8606 sbthlem2 9020 findcard 9092 findcard2 9093 pssnn 9097 ssfi 9101 frfi 9189 unfilem3 9211 marypha1lem 9340 wemapso 9460 inf3lem3 9546 dfac9 10054 dfacacn 10059 kmlem11 10078 kmlem12 10079 fin23lem28 10257 isf32lem6 10275 isf32lem7 10276 isf32lem8 10277 domtriomlem 10359 axdc2lem 10365 axcclem 10374 zornn0g 10422 konigthlem 10486 grothprim 10752 hashbclem 14409 fi1uzind 14464 brfi1uzind 14465 brfi1indALT 14467 opfi1uzind 14468 ramub1lem1 16992 pltfval 18290 isirred 20394 cntzsdrg 20778 subdrgint 20779 lssset 20927 xrs1mnd 21419 xrs10 21420 xrs1cmn 21421 xrge0subm 21422 xrge0cmn 21423 cnmsgngrp 21558 psgninv 21561 psdmul 22158 neitr 23167 lecldbas 23206 imasdsf1olem 24360 xrge0gsumle 24821 xrge0tsms 24822 i1fd 25670 lhop1lem 26002 reefgim 26437 cxpcn2 26732 logbmpt 26774 newval 27849 newf 27852 addsval 27976 mulsval 28123 nnsex 28332 axlowdimlem15 29047 axlowdim 29052 elntg 29075 uhgrspan1lem1 29391 upgrres1lem1 29400 nbgrval 29427 nbfusgrlevtxm1 29468 cusgrfilem3 29548 vtxdginducedm1lem1 29630 vtxdginducedm1fi 29635 finsumvtxdg2ssteplem4 29639 padct 32814 rprmval 33611 dimkerim 33823 onvf1odlem2 35347 satfv1lem 35605 satfdm 35612 satffunlem1lem2 35646 satffunlem2lem2 35649 watvalN 40500 hvmapfval 42266 prjspval 43068 setindtr 43484 ssdifcl 44030 sssymdifcl 44031 clsk3nimkb 44499 iundjiunlem 46916 meaiuninclem 46937 meaiininclem 46943 lines 49236 |
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