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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 5302. (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 5302 | . 2 ⊢ (𝐴 ∈ V → (𝐴 ∖ 𝐵) ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 ∖ 𝐵) ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 Vcvv 3457 ∖ cdif 3903 |
| 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 ax-sep 5259 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-dif 3909 df-in 3913 df-ss 3923 |
| This theorem is used by: oev 8501 naddcllem 8664 sbthlem2 9079 findcard 9151 findcard2 9152 pssnn 9156 ssfi 9160 frfi 9248 unfilem3 9270 marypha1lem 9396 wemapso 9516 inf3lem3 9602 dfac9 10132 dfacacn 10137 kmlem11 10156 kmlem12 10157 fin23lem28 10335 isf32lem6 10353 isf32lem7 10354 isf32lem8 10355 domtriomlem 10437 axdc2lem 10443 axcclem 10452 zornn0g 10500 konigthlem 10564 grothprim 10830 hashbclem 14503 fi1uzind 14558 brfi1uzind 14559 brfi1indALT 14561 opfi1uzind 14562 ramub1lem1 17104 pltfval 18403 isirred 20527 isdrng3lem1 20881 cntzsdrg 20935 subdrgint 20936 lssset 21084 xrs1mnd 21620 xrs10 21621 xrs1cmn 21622 xrge0subm 21623 xrge0cmn 21624 cnmsgngrp 21759 psgninv 21762 psdmul 22359 neitr 23367 lecldbas 23406 imasdsf1olem 24561 xrge0gsumle 25022 xrge0tsms 25023 i1fd 25871 lhop1lem 26203 reefgim 26644 cxpcn2 26942 logbmpt 26984 newval 28059 newf 28062 addsval 28186 mulsval 28333 nnsex 28542 tgplnfn 29088 plngval 29090 isplng 29091 axlowdimlem15 29337 axlowdim 29342 elntg 29365 uhgrspan1lem1 29684 upgrres1lem1 29693 nbgrval 29720 nbfusgrlevtxm1 29761 cusgrfilem3 29841 vtxdginducedm1lem1 29923 vtxdginducedm1fi 29928 finsumvtxdg2ssteplem4 29932 padct 33109 rprmval 33846 dimkerim 34057 onvf1odlem2 35621 satfv1lem 35867 satfdm 35874 satffunlem1lem2 35908 satffunlem2lem2 35911 nmulprop 36695 watvalN 40800 hvmapfval 42566 prjspval 43368 setindtr 43784 ssdifcl 44330 sssymdifcl 44331 clsk3nimkb 44799 iundjiunlem 47206 meaiuninclem 47227 meaiininclem 47233 lines 49544 |
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