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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 5294. (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 5294 | . 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 2145 Vcvv 3450 ∖ cdif 3896 |
| 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 2147 ax-9 2155 ax-ext 2732 ax-sep 5251 |
| 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 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3902 df-in 3906 df-ss 3916 |
| This theorem is used by: oev 8501 naddcllem 8664 sbthlem2 9086 findcard 9158 findcard2 9159 pssnn 9163 ssfi 9167 frfi 9255 unfilem3 9277 marypha1lem 9403 wemapso 9523 inf3lem3 9609 dfac9 10139 dfacacn 10144 kmlem11 10163 kmlem12 10164 fin23lem28 10342 isf32lem6 10360 isf32lem7 10361 isf32lem8 10362 domtriomlem 10444 axdc2lem 10450 axcclem 10459 zornn0g 10507 konigthlem 10577 grothprim 10843 hashbclem 14517 fi1uzind 14572 brfi1uzind 14573 brfi1indALT 14575 opfi1uzind 14576 ramub1lem1 17118 pltfval 18417 isirred 20560 isdrng3lem1 20914 cntzsdrg 20968 subdrgint 20969 lssset 21117 xrs1mnd 21653 xrs10 21654 xrs1cmn 21655 xrge0subm 21656 xrge0cmn 21657 cnmsgngrp 21792 psgninv 21795 psdmul 22394 neitr 23405 lecldbas 23444 imasdsf1olem 24599 xrge0gsumle 25060 xrge0tsms 25061 i1fd 25909 lhop1lem 26240 reefgim 26686 cxpcn2 26983 logbmpt 27025 newval 28100 newf 28103 addsval 28227 mulsval 28374 nnsex 28583 tgplnfn 29132 plngval 29134 isplng 29135 axlowdimlem15 29413 axlowdim 29418 elntg 29441 uhgrspan1lem1 29760 upgrres1lem1 29769 nbgrval 29796 nbfusgrlevtxm1 29837 cusgrfilem3 29917 vtxdginducedm1lem1 29999 vtxdginducedm1fi 30004 finsumvtxdg2ssteplem4 30008 padct 33189 rprmval 33926 dimkerim 34137 onvf1odlem2 35701 satfv1lem 35941 satfdm 35948 satffunlem1lem2 35982 satffunlem2lem2 35985 nmulprop 36770 watvalN 40866 hvmapfval 42632 prjspval 43449 setindtr 43865 ssdifcl 44411 sssymdifcl 44412 clsk3nimkb 44880 iundjiunlem 47287 meaiuninclem 47308 meaiininclem 47314 lines 49661 |
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