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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 5299 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∖ 𝐵) ∈ V) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (𝐴 ∖ 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2142 Vcvv 3454 ∖ cdif 3901 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-sep 5256 |
| This proof depends on definitions: df-bi 210 df-an 401 df-3an 1104 df-tru 1572 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3416 df-v 3456 df-dif 3907 df-in 3911 df-ss 3921 |
| This theorem is used by: sexp2 8140 sexp3 8147 ralxpmap 8892 domdifsn 9046 domunsncan 9063 mapdom2 9134 acni 10036 infdif 10198 infpss 10206 enfin1ai 10374 fpwwe2 10634 canthp1lem1 10643 hashf1lem1 14499 mrieqv2d 17701 mreexexlemd 17706 dpjidcl 20136 isdrng3lem2 20863 selvcllemh 22299 selvcllem4 22300 selvcllem5 22301 selvcl 22302 selvval2 22303 selvvvval 22304 selvadd 22305 selvmul 22306 pnrmopn 23511 cmpfi 23576 csdfil 24062 ufileu 24087 filufint 24088 alexsublem 24212 bcth3 25501 iunmbl 25723 tdeglem4 26228 fdifsupp 33041 gsummptres2 33382 tocycfv 33438 cyc3conja 33486 dflring4 33797 rprmdvdsprod 33833 selvascl 33916 selvply1rhmlem2 33920 selvply1rhmlem4 33922 selvply1rhm 33924 selvply1rhm0 33925 extvfvvcl 33934 extvfvcl 33935 esummono 34453 esumpad 34454 esumpad2 34455 insiga 34536 fsuppssind 43353 tfsconcatun 44092 oaun2 44136 oaun3 44137 clcnvlem 44377 dssmapfv3d 44773 dssmapnvod 44774 ovolsplit 46730 intsal 47072 sge0ss 47154 sge0fodjrnlem 47158 iundjiun 47202 meaiunlelem 47210 iscnrm3rlem7 49752 |
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