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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 7834 | . 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 2109 Vcvv 3436 dom cdm 5619 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 ax-sep 5235 ax-nul 5245 ax-pr 5371 ax-un 7671 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-rab 3395 df-v 3438 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4285 df-if 4477 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-br 5093 df-opab 5155 df-cnv 5627 df-dm 5629 df-rn 5630 |
| This theorem is referenced by: fndmexd 7837 unxpwdom2 9480 wemapwe 9593 imadomg 10428 fpwwe2lem11 10535 fpwwe2lem12 10536 hashdmpropge2 14390 prdsplusg 17362 prdsmulr 17363 prdsvsca 17364 prdshom 17371 ssclem 17726 subsubc 17760 efgrcl 19594 dprdgrp 19886 dprdf 19887 dprdssv 19897 f1lindf 21729 decpmatval0 22649 pmatcollpw3lem 22668 ordtrest2lem 23088 ordtrest2 23089 mbfmulc2re 25547 mbfneg 25549 dvnf 25827 dvnbss 25828 dchrptlem3 27175 gsummpt2d 33002 gsumfs2d 33008 cycpmco2lem5 33072 cycpmconjslem2 33097 trclubgNEW 43591 omecl 46484 sssmf 46719 mbfresmf 46720 smfpimltxr 46728 smfpimgtxr 46761 smfres 46771 smfco 46783 iinfssc 49042 |
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