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| Mirrors > Home > MPE Home > Th. List > difexd | Structured version Visualization version GIF version | ||
| Description: Existence of a difference. (Contributed by SN, 16-Jul-2024.) |
| Ref | Expression |
|---|---|
| difexd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| difexd | ⊢ (𝜑 → (𝐴 ∖ 𝐵) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | difexd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | difexg 5300 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∖ 𝐵) ∈ V) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (𝐴 ∖ 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 Vcvv 3461 ∖ cdif 3908 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5259 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-3an 1103 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3423 df-v 3463 df-dif 3914 df-in 3918 df-ss 3928 |
| This theorem is referenced by: sexp2 8142 sexp3 8149 ralxpmap 8894 domdifsn 9048 domunsncan 9065 mapdom2 9136 acni 10029 infdif 10191 infpss 10199 enfin1ai 10368 fpwwe2 10628 canthp1lem1 10637 hashf1lem1 14492 mrieqv2d 17695 mreexexlemd 17700 dpjidcl 20130 selvcllemh 22257 selvcllem4 22258 selvcllem5 22259 selvcl 22260 selvval2 22261 selvvvval 22262 selvadd 22263 selvmul 22264 pnrmopn 23469 cmpfi 23534 csdfil 24020 ufileu 24045 filufint 24046 alexsublem 24170 bcth3 25459 iunmbl 25681 tdeglem4 26186 fdifsupp 32971 gsummptres2 33314 tocycfv 33370 cyc3conja 33418 dflring4 33733 rprmdvdsprod 33769 selvascl 33852 selvply1rhmlem2 33856 selvply1rhmlem4 33858 selvply1rhm 33860 selvply1rhm0 33861 extvfvvcl 33870 extvfvcl 33871 esummono 34389 esumpad 34390 esumpad2 34391 insiga 34472 fsuppssind 43252 tfsconcatun 43991 oaun2 44035 oaun3 44036 clcnvlem 44276 dssmapfv3d 44672 dssmapnvod 44673 ovolsplit 46629 intsal 46971 sge0ss 47053 sge0fodjrnlem 47057 iundjiun 47101 meaiunlelem 47109 iscnrm3rlem7 49644 |
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