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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 5275 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∖ 𝐵) ∈ V) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 ∖ 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3441 ∖ cdif 3899 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5242 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-3an 1089 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3401 df-v 3443 df-dif 3905 df-in 3909 df-ss 3919 |
| This theorem is referenced by: sexp2 8090 sexp3 8097 ralxpmap 8838 domdifsn 8992 domunsncan 9009 mapdom2 9080 acni 9959 infdif 10122 infpss 10130 enfin1ai 10298 fpwwe2 10558 canthp1lem1 10567 hashf1lem1 14382 mrieqv2d 17566 mreexexlemd 17571 dpjidcl 19993 pnrmopn 23291 cmpfi 23356 csdfil 23842 ufileu 23867 filufint 23868 alexsublem 23992 bcth3 25291 iunmbl 25514 tdeglem4 26025 fdifsupp 32766 gsummptres2 33138 tocycfv 33193 cyc3conja 33241 rprmdvdsprod 33617 extvfvvcl 33702 extvfvcl 33703 esummono 34213 esumpad 34214 esumpad2 34215 insiga 34296 selvcllemh 42890 selvcllem4 42891 selvcllem5 42892 selvcl 42893 selvval2 42894 selvvvval 42895 selvadd 42898 selvmul 42899 fsuppssind 42903 tfsconcatun 43646 oaun2 43690 oaun3 43691 clcnvlem 43931 dssmapfv3d 44327 dssmapnvod 44328 ovolsplit 46299 intsal 46641 sge0ss 46723 sge0fodjrnlem 46727 iundjiun 46771 meaiunlelem 46779 iscnrm3rlem7 49258 |
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