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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 7877 | . 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 2141 Vcvv 3453 dom cdm 5643 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-sep 5243 ax-pr 5387 ax-un 7713 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-cnv 5651 df-dm 5653 df-rn 5654 |
| This theorem is referenced by: fndmexd 7880 unxpwdom2 9530 wemapwe 9646 imadomg 10485 fpwwe2lem11 10593 fpwwe2lem12 10594 hashdmpropge2 14490 prdsplusg 17478 prdsmulr 17479 prdsvsca 17480 prdshom 17487 ssclem 17843 subsubc 17877 efgrcl 19746 dprdgrp 20038 dprdf 20039 dprdssv 20049 f1lindf 21862 decpmatval0 22812 pmatcollpw3lem 22831 ordtrest2lem 23251 ordtrest2 23252 mbfmulc2re 25698 mbfneg 25700 dvnf 25977 dvnbss 25978 dchrptlem3 27318 gsummpt2d 33190 gsumfs2d 33202 cycpmco2lem5 33271 cycpmconjslem2 33296 trclubgNEW 44155 omecl 47038 sssmf 47273 mbfresmf 47274 smfpimltxr 47282 smfpimgtxr 47315 smfres 47325 smfco 47337 iinfssc 49639 |
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