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| Mirrors > Home > MPE Home > Th. List > dmexd | Structured version Visualization version GIF version | ||
| Description: The domain of a set is a set. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
| Ref | Expression |
|---|---|
| dmexd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| dmexd | ⊢ (𝜑 → dom 𝐴 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dmexd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | dmexg 7894 | . 2 ⊢ (𝐴 ∈ 𝑉 → dom 𝐴 ∈ V) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → dom 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 Vcvv 3455 dom cdm 5661 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5257 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-cnv 5669 df-dm 5671 df-rn 5672 |
| This theorem is referenced by: fndmexd 7897 unxpwdom2 9546 wemapwe 9662 imadomg 10513 fpwwe2lem11 10621 fpwwe2lem12 10622 hashdmpropge2 14516 prdsplusg 17506 prdsmulr 17507 prdsvsca 17508 prdshom 17515 ssclem 17871 subsubc 17905 efgrcl 19780 dprdgrp 20072 dprdf 20073 dprdssv 20083 f1lindf 21972 decpmatval0 22921 pmatcollpw3lem 22940 ordtrest2lem 23360 ordtrest2 23361 mbfmulc2re 25807 mbfneg 25809 dvnf 26086 dvnbss 26087 dchrptlem3 27430 gsummpt2d 33369 gsumfs2d 33381 cycpmco2lem5 33450 cycpmconjslem2 33475 trclubgNEW 44344 omecl 47217 sssmf 47452 mbfresmf 47453 smfpimltxr 47461 smfpimgtxr 47494 smfres 47504 smfco 47516 iinfssc 49835 |
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