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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 5290. (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 5290 | . 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 2144 Vcvv 3450 ∖ cdif 4044 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 |
| This theorem is used by: oev 8527 naddcllem 8690 sbthlem2 9112 findcard 9184 findcard2 9185 pssnn 9189 ssfi 9193 frfi 9281 unfilem3 9304 marypha1lem 9430 wemapso 9550 inf3lem3 9636 dfac9 10220 dfacacn 10225 kmlem11 10244 kmlem12 10245 fin23lem28 10423 isf32lem6 10441 isf32lem7 10442 isf32lem8 10443 domtriomlem 10525 axdc2lem 10531 axcclem 10540 zornn0g 10588 konigthlem 10658 grothprim 10924 hashbclem 14602 fi1uzind 14657 brfi1uzind 14658 brfi1indALT 14660 opfi1uzind 14661 ramub1lem1 17211 pltfval 18510 isirred 20656 isdrng3lem1 21012 cntzsdrg 21066 subdrgint 21067 lssset 21215 xrs1mnd 21753 xrs10 21754 xrs1cmn 21755 xrge0subm 21756 xrge0cmn 21757 cnmsgngrp 21892 psgninv 21895 psdmul 22494 neitr 23505 lecldbas 23544 imasdsf1olem 24699 xrge0gsumle 25160 xrge0tsms 25161 i1fd 26009 lhop1lem 26340 reefgim 26784 cxpcn2 27081 logbmpt 27123 newval 28228 newf 28231 addsval 28355 mulsval 28502 nnsex 28711 tgplnfn 29260 plngval 29262 isplng 29263 axlowdimlem15 29541 axlowdim 29546 elntg 29569 uhgrspan1lem1 29888 upgrres1lem1 29897 nbgrval 29924 nbfusgrlevtxm1 29965 cusgrfilem3 30045 vtxdginducedm1lem1 30127 vtxdginducedm1fi 30132 finsumvtxdg2ssteplem4 30136 padct 33359 rprmval 34096 dimkerim 34307 onvf1odlem2 35953 satfv1lem 36215 satfdm 36222 satffunlem1lem2 36256 satffunlem2lem2 36259 nmulprop 37033 watvalN 41157 hvmapfval 42923 prjspval 43738 setindtr 44138 ssdifcl 44679 sssymdifcl 44680 clsk3nimkb 45147 iundjiunlem 47576 meaiuninclem 47597 meaiininclem 47603 lines 49951 |
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