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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 5259 | . 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 3427 ∖ cdif 3882 |
| 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 2707 ax-sep 5220 |
| 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 2714 df-cleq 2727 df-clel 2810 df-rab 3388 df-v 3429 df-dif 3888 df-in 3892 df-ss 3902 |
| This theorem is referenced by: sexp2 8085 sexp3 8092 ralxpmap 8833 domdifsn 8987 domunsncan 9004 mapdom2 9075 acni 9956 infdif 10119 infpss 10127 enfin1ai 10295 fpwwe2 10555 canthp1lem1 10564 hashf1lem1 14406 mrieqv2d 17594 mreexexlemd 17599 dpjidcl 20024 pnrmopn 23296 cmpfi 23361 csdfil 23847 ufileu 23872 filufint 23873 alexsublem 23997 bcth3 25286 iunmbl 25508 tdeglem4 26013 fdifsupp 32746 gsummptres2 33102 tocycfv 33158 cyc3conja 33206 rprmdvdsprod 33582 extvfvvcl 33667 extvfvcl 33668 esummono 34186 esumpad 34187 esumpad2 34188 insiga 34269 selvcllemh 43001 selvcllem4 43002 selvcllem5 43003 selvcl 43004 selvval2 43005 selvvvval 43006 selvadd 43009 selvmul 43010 fsuppssind 43014 tfsconcatun 43753 oaun2 43797 oaun3 43798 clcnvlem 44038 dssmapfv3d 44434 dssmapnvod 44435 ovolsplit 46404 intsal 46746 sge0ss 46828 sge0fodjrnlem 46832 iundjiun 46876 meaiunlelem 46884 iscnrm3rlem7 49409 |
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