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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 5260 | . 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 2121 Vcvv 3433 ∖ cdif 3882 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-sep 5221 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-3an 1095 df-tru 1551 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-rab 3394 df-v 3435 df-dif 3888 df-in 3892 df-ss 3902 |
| This theorem is referenced by: sexp2 8090 sexp3 8097 ralxpmap 8838 domdifsn 8992 domunsncan 9009 mapdom2 9080 acni 9962 infdif 10125 infpss 10133 enfin1ai 10301 fpwwe2 10561 canthp1lem1 10570 hashf1lem1 14412 mrieqv2d 17600 mreexexlemd 17605 dpjidcl 20030 selvcllemh 22117 selvcllem4 22118 selvcllem5 22119 selvcl 22120 selvval2 22121 selvvvval 22122 selvadd 22123 selvmul 22124 pnrmopn 23330 cmpfi 23395 csdfil 23881 ufileu 23906 filufint 23907 alexsublem 24031 bcth3 25320 iunmbl 25542 tdeglem4 26047 fdifsupp 32781 gsummptres2 33138 tocycfv 33194 cyc3conja 33242 dflring4 33593 rprmdvdsprod 33629 selvascl 33713 selvply1rhmlem2 33717 selvply1rhmlem4 33719 selvply1rhm 33721 selvply1rhm0 33722 extvfvvcl 33731 extvfvcl 33732 esummono 34250 esumpad 34251 esumpad2 34252 insiga 34333 fsuppssind 43058 tfsconcatun 43797 oaun2 43841 oaun3 43842 clcnvlem 44082 dssmapfv3d 44478 dssmapnvod 44479 ovolsplit 46445 intsal 46787 sge0ss 46869 sge0fodjrnlem 46873 iundjiun 46917 meaiunlelem 46925 iscnrm3rlem7 49450 |
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