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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 7841 | . 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 2119 Vcvv 3431 dom cdm 5618 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-sep 5218 ax-pr 5362 ax-un 7678 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-cnv 5626 df-dm 5628 df-rn 5629 |
| This theorem is referenced by: fndmexd 7844 unxpwdom2 9493 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 21797 decpmatval0 22747 pmatcollpw3lem 22766 ordtrest2lem 23186 ordtrest2 23187 mbfmulc2re 25633 mbfneg 25635 dvnf 25912 dvnbss 25913 dchrptlem3 27247 gsummpt2d 33130 gsumfs2d 33142 cycpmco2lem5 33211 cycpmconjslem2 33236 trclubgNEW 44062 omecl 46946 sssmf 47181 mbfresmf 47182 smfpimltxr 47190 smfpimgtxr 47223 smfres 47233 smfco 47245 iinfssc 49547 |
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