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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 2149 Vcvv 3463 dom cdm 5659 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5258 ax-pr 5402 ax-un 7730 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-cnv 5667 df-dm 5669 df-rn 5670 |
| This theorem is referenced by: fndmexd 7897 unxpwdom2 9546 wemapwe 9662 imadomg 10514 fpwwe2lem11 10622 fpwwe2lem12 10623 hashdmpropge2 14516 prdsplusg 17507 prdsmulr 17508 prdsvsca 17509 prdshom 17516 ssclem 17872 subsubc 17906 efgrcl 19781 dprdgrp 20073 dprdf 20074 dprdssv 20084 f1lindf 21937 decpmatval0 22886 pmatcollpw3lem 22905 ordtrest2lem 23325 ordtrest2 23326 mbfmulc2re 25772 mbfneg 25774 dvnf 26051 dvnbss 26052 dchrptlem3 27392 gsummpt2d 33306 gsumfs2d 33318 cycpmco2lem5 33387 cycpmconjslem2 33412 trclubgNEW 44231 omecl 47104 sssmf 47339 mbfresmf 47340 smfpimltxr 47348 smfpimgtxr 47381 smfres 47391 smfco 47403 iinfssc 49715 |
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