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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 7843 | . 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 2113 Vcvv 3440 dom cdm 5624 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-cnv 5632 df-dm 5634 df-rn 5635 |
| This theorem is referenced by: fndmexd 7846 unxpwdom2 9493 wemapwe 9606 imadomg 10444 fpwwe2lem11 10552 fpwwe2lem12 10553 hashdmpropge2 14406 prdsplusg 17378 prdsmulr 17379 prdsvsca 17380 prdshom 17387 ssclem 17743 subsubc 17777 efgrcl 19644 dprdgrp 19936 dprdf 19937 dprdssv 19947 f1lindf 21777 decpmatval0 22708 pmatcollpw3lem 22727 ordtrest2lem 23147 ordtrest2 23148 mbfmulc2re 25605 mbfneg 25607 dvnf 25885 dvnbss 25886 dchrptlem3 27233 gsummpt2d 33132 gsumfs2d 33144 cycpmco2lem5 33212 cycpmconjslem2 33237 trclubgNEW 43859 omecl 46747 sssmf 46982 mbfresmf 46983 smfpimltxr 46991 smfpimgtxr 47024 smfres 47034 smfco 47046 iinfssc 49302 |
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