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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 2114 Vcvv 3430 dom cdm 5624 |
| 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 5231 ax-pr 5370 ax-un 7682 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-cnv 5632 df-dm 5634 df-rn 5635 |
| This theorem is referenced by: fndmexd 7848 unxpwdom2 9496 wemapwe 9609 imadomg 10447 fpwwe2lem11 10555 fpwwe2lem12 10556 hashdmpropge2 14436 prdsplusg 17412 prdsmulr 17413 prdsvsca 17414 prdshom 17421 ssclem 17777 subsubc 17811 efgrcl 19681 dprdgrp 19973 dprdf 19974 dprdssv 19984 f1lindf 21812 decpmatval0 22739 pmatcollpw3lem 22758 ordtrest2lem 23178 ordtrest2 23179 mbfmulc2re 25625 mbfneg 25627 dvnf 25904 dvnbss 25905 dchrptlem3 27243 gsummpt2d 33125 gsumfs2d 33137 cycpmco2lem5 33206 cycpmconjslem2 33231 trclubgNEW 44063 omecl 46949 sssmf 47184 mbfresmf 47185 smfpimltxr 47193 smfpimgtxr 47226 smfres 47236 smfco 47248 iinfssc 49544 |
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