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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 5267 | . 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 3430 ∖ cdif 3887 |
| 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 5232 |
| 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 3391 df-v 3432 df-dif 3893 df-in 3897 df-ss 3907 |
| This theorem is referenced by: sexp2 8091 sexp3 8098 ralxpmap 8839 domdifsn 8993 domunsncan 9010 mapdom2 9081 acni 9962 infdif 10125 infpss 10133 enfin1ai 10301 fpwwe2 10561 canthp1lem1 10570 hashf1lem1 14412 mrieqv2d 17600 mreexexlemd 17605 dpjidcl 20030 pnrmopn 23322 cmpfi 23387 csdfil 23873 ufileu 23898 filufint 23899 alexsublem 24023 bcth3 25312 iunmbl 25534 tdeglem4 26039 fdifsupp 32777 gsummptres2 33133 tocycfv 33189 cyc3conja 33237 rprmdvdsprod 33613 extvfvvcl 33698 extvfvcl 33699 esummono 34218 esumpad 34219 esumpad2 34220 insiga 34301 selvcllemh 43033 selvcllem4 43034 selvcllem5 43035 selvcl 43036 selvval2 43037 selvvvval 43038 selvadd 43041 selvmul 43042 fsuppssind 43046 tfsconcatun 43789 oaun2 43833 oaun3 43834 clcnvlem 44074 dssmapfv3d 44470 dssmapnvod 44471 ovolsplit 46440 intsal 46782 sge0ss 46864 sge0fodjrnlem 46868 iundjiun 46912 meaiunlelem 46920 iscnrm3rlem7 49439 |
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