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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 5287 | . 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 2144 Vcvv 3456 ∖ cdif 3903 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 ax-sep 5248 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-3an 1101 df-tru 1565 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-rab 3417 df-v 3458 df-dif 3909 df-in 3913 df-ss 3923 |
| This theorem is referenced by: sexp2 8128 sexp3 8135 ralxpmap 8880 domdifsn 9034 domunsncan 9051 mapdom2 9122 acni 10003 infdif 10166 infpss 10174 enfin1ai 10343 fpwwe2 10603 canthp1lem1 10612 hashf1lem1 14470 mrieqv2d 17673 mreexexlemd 17678 dpjidcl 20102 selvcllemh 22192 selvcllem4 22193 selvcllem5 22194 selvcl 22195 selvval2 22196 selvvvval 22197 selvadd 22198 selvmul 22199 pnrmopn 23405 cmpfi 23470 csdfil 23956 ufileu 23981 filufint 23982 alexsublem 24106 bcth3 25395 iunmbl 25617 tdeglem4 26122 fdifsupp 32889 gsummptres2 33235 tocycfv 33291 cyc3conja 33339 dflring4 33696 rprmdvdsprod 33732 selvascl 33816 selvply1rhmlem2 33820 selvply1rhmlem4 33822 selvply1rhm 33824 selvply1rhm0 33825 extvfvvcl 33834 extvfvcl 33835 esummono 34353 esumpad 34354 esumpad2 34355 insiga 34436 fsuppssind 43180 tfsconcatun 43919 oaun2 43963 oaun3 43964 clcnvlem 44204 dssmapfv3d 44600 dssmapnvod 44601 ovolsplit 46567 intsal 46909 sge0ss 46991 sge0fodjrnlem 46995 iundjiun 47039 meaiunlelem 47047 iscnrm3rlem7 49572 |
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