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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 7845 | . 2 ⊢ (𝐴 ∈ 𝑉 → dom 𝐴 ∈ V) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → dom 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2121 Vcvv 3433 dom cdm 5621 |
| 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 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 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-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-opab 5138 df-cnv 5629 df-dm 5631 df-rn 5632 |
| This theorem is referenced by: fndmexd 7848 unxpwdom2 9497 wemapwe 9613 imadomg 10451 fpwwe2lem11 10559 fpwwe2lem12 10560 hashdmpropge2 14440 prdsplusg 17416 prdsmulr 17417 prdsvsca 17418 prdshom 17425 ssclem 17781 subsubc 17815 efgrcl 19685 dprdgrp 19977 dprdf 19978 dprdssv 19988 f1lindf 21801 decpmatval0 22751 pmatcollpw3lem 22770 ordtrest2lem 23190 ordtrest2 23191 mbfmulc2re 25637 mbfneg 25639 dvnf 25916 dvnbss 25917 dchrptlem3 27251 gsummpt2d 33134 gsumfs2d 33146 cycpmco2lem5 33215 cycpmconjslem2 33240 trclubgNEW 44077 omecl 46960 sssmf 47195 mbfresmf 47196 smfpimltxr 47204 smfpimgtxr 47237 smfres 47247 smfco 47259 iinfssc 49561 |
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