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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 5298. (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 5298 | . 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 2147 Vcvv 3454 ∖ cdif 4048 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-sep 5255 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 |
| This theorem is used by: oev 8560 naddcllem 8723 sbthlem2 9145 findcard 9217 findcard2 9218 pssnn 9222 ssfi 9226 frfi 9314 unfilem3 9337 marypha1lem 9462 wemapso 9582 inf3lem3 9668 dfac9 10254 dfacacn 10259 kmlem11 10278 kmlem12 10279 fin23lem28 10457 isf32lem6 10475 isf32lem7 10476 isf32lem8 10477 domtriomlem 10559 axdc2lem 10565 axcclem 10574 zornn0g 10622 konigthlem 10692 grothprim 10958 hashbclem 14638 fi1uzind 14693 brfi1uzind 14694 brfi1indALT 14696 opfi1uzind 14697 ramub1lem1 17248 pltfval 18553 isirred 20700 isdrng3lem1 21056 cntzsdrg 21110 subdrgint 21111 lssset 21259 xrs1mnd 21800 xrs10 21801 xrs1cmn 21802 xrge0subm 21803 xrge0cmn 21804 cnmsgngrp 21940 psgninv 21943 psdmul 22542 neitr 23553 lecldbas 23592 imasdsf1olem 24747 xrge0gsumle 25208 xrge0tsms 25209 i1fd 26057 lhop1lem 26388 reefgim 26834 cxpcn2 27131 logbmpt 27173 newval 28278 newf 28281 addsval 28405 mulsval 28552 nnsex 28761 tgplnfn 29310 plngval 29312 isplng 29313 axlowdimlem15 29591 axlowdim 29596 elntg 29619 uhgrspan1lem1 29938 upgrres1lem1 29947 nbgrval 29974 nbfusgrlevtxm1 30015 cusgrfilem3 30095 vtxdginducedm1lem1 30177 vtxdginducedm1fi 30182 finsumvtxdg2ssteplem4 30186 padct 33407 isedom 33953 rprmval 34152 dimkerim 34370 onvf1odlem2 36073 satfv1lem 36335 satfdm 36342 satffunlem1lem2 36376 satffunlem2lem2 36379 nmulprop 37154 watvalN 41316 hvmapfval 43082 prjspval 43897 setindtr 44297 ssdifcl 44833 sssymdifcl 44834 clsk3nimkb 45301 iundjiunlem 47742 meaiuninclem 47763 meaiininclem 47769 lines 50175 |
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