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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 5289 | . 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 2106 Vcvv 3446 ∖ cdif 3910 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 ax-sep 5261 |
This theorem depends on definitions: df-bi 206 df-an 397 df-tru 1544 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-rab 3406 df-v 3448 df-dif 3916 df-in 3920 df-ss 3930 |
This theorem is referenced by: sexp2 8083 sexp3 8090 ralxpmap 8841 domdifsn 9005 domunsncan 9023 mapdom2 9099 acni 9990 infdif 10154 infpss 10162 enfin1ai 10329 fpwwe2 10588 canthp1lem1 10597 hashf1lem1 14365 mrieqv2d 17533 mreexexlemd 17538 dpjidcl 19851 pnrmopn 22731 cmpfi 22796 csdfil 23282 ufileu 23307 filufint 23308 alexsublem 23432 bcth3 24732 iunmbl 24954 tdeglem4 25461 gsummptres2 31965 tocycfv 32028 cyc3conja 32076 esummono 32742 esumpad 32743 esumpad2 32744 insiga 32825 selvcllemh 40816 selvcllem4 40817 selvcllem5 40818 selvcl 40819 selvval2 40820 selvadd 40821 selvmul 40822 fsuppssind 40826 tfsconcatun 41730 oaun2 41774 oaun3 41775 clcnvlem 42017 dssmapfv3d 42413 dssmapnvod 42414 ovolsplit 44349 intsal 44691 sge0ss 44773 sge0fodjrnlem 44777 iundjiun 44821 meaiunlelem 44829 iscnrm3rlem7 47099 |
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