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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 5282. (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 5282 | . 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 2141 Vcvv 3453 ∖ cdif 3899 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-sep 5243 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-3an 1099 df-tru 1562 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3455 df-dif 3905 df-in 3909 df-ss 3919 |
| This theorem is referenced by: oev 8477 naddcllem 8640 sbthlem2 9054 findcard 9126 findcard2 9127 pssnn 9131 ssfi 9135 frfi 9223 unfilem3 9245 marypha1lem 9373 wemapso 9493 inf3lem3 9579 dfac9 10087 dfacacn 10092 kmlem11 10111 kmlem12 10112 fin23lem28 10291 isf32lem6 10309 isf32lem7 10310 isf32lem8 10311 domtriomlem 10393 axdc2lem 10399 axcclem 10408 zornn0g 10456 konigthlem 10520 grothprim 10786 hashbclem 14459 fi1uzind 14514 brfi1uzind 14515 brfi1indALT 14517 opfi1uzind 14518 ramub1lem1 17053 pltfval 18352 isirred 20455 cntzsdrg 20839 subdrgint 20840 lssset 20988 xrs1mnd 21480 xrs10 21481 xrs1cmn 21482 xrge0subm 21483 xrge0cmn 21484 cnmsgngrp 21619 psgninv 21622 psdmul 22219 neitr 23228 lecldbas 23267 imasdsf1olem 24421 xrge0gsumle 24882 xrge0tsms 24883 i1fd 25731 lhop1lem 26063 reefgim 26501 cxpcn2 26799 logbmpt 26841 newval 27916 newf 27919 addsval 28043 mulsval 28190 nnsex 28399 axlowdimlem15 29114 axlowdim 29119 elntg 29142 uhgrspan1lem1 29458 upgrres1lem1 29467 nbgrval 29494 nbfusgrlevtxm1 29535 cusgrfilem3 29615 vtxdginducedm1lem1 29697 vtxdginducedm1fi 29702 finsumvtxdg2ssteplem4 29706 padct 32881 rprmval 33673 dimkerim 33885 onvf1odlem2 35408 satfv1lem 35673 satfdm 35680 satffunlem1lem2 35714 satffunlem2lem2 35717 nmulprop 36501 watvalN 40578 hvmapfval 42344 prjspval 43146 setindtr 43562 ssdifcl 44108 sssymdifcl 44109 clsk3nimkb 44577 iundjiunlem 46994 meaiuninclem 47015 meaiininclem 47021 lines 49314 |
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