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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 7853 | . 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 2114 Vcvv 3442 dom cdm 5632 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5243 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-cnv 5640 df-dm 5642 df-rn 5643 |
| This theorem is referenced by: fndmexd 7856 unxpwdom2 9505 wemapwe 9618 imadomg 10456 fpwwe2lem11 10564 fpwwe2lem12 10565 hashdmpropge2 14418 prdsplusg 17390 prdsmulr 17391 prdsvsca 17392 prdshom 17399 ssclem 17755 subsubc 17789 efgrcl 19656 dprdgrp 19948 dprdf 19949 dprdssv 19959 f1lindf 21789 decpmatval0 22720 pmatcollpw3lem 22739 ordtrest2lem 23159 ordtrest2 23160 mbfmulc2re 25617 mbfneg 25619 dvnf 25897 dvnbss 25898 dchrptlem3 27245 gsummpt2d 33143 gsumfs2d 33155 cycpmco2lem5 33224 cycpmconjslem2 33249 trclubgNEW 43974 omecl 46861 sssmf 47096 mbfresmf 47097 smfpimltxr 47105 smfpimgtxr 47138 smfres 47148 smfco 47160 iinfssc 49416 |
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