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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 7852 | . 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 3429 dom cdm 5631 |
| 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 2708 ax-sep 5231 ax-pr 5375 ax-un 7689 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-cnv 5639 df-dm 5641 df-rn 5642 |
| This theorem is referenced by: fndmexd 7855 unxpwdom2 9503 wemapwe 9618 imadomg 10456 fpwwe2lem11 10564 fpwwe2lem12 10565 hashdmpropge2 14445 prdsplusg 17421 prdsmulr 17422 prdsvsca 17423 prdshom 17430 ssclem 17786 subsubc 17820 efgrcl 19690 dprdgrp 19982 dprdf 19983 dprdssv 19993 f1lindf 21802 decpmatval0 22729 pmatcollpw3lem 22748 ordtrest2lem 23168 ordtrest2 23169 mbfmulc2re 25615 mbfneg 25617 dvnf 25894 dvnbss 25895 dchrptlem3 27229 gsummpt2d 33110 gsumfs2d 33122 cycpmco2lem5 33191 cycpmconjslem2 33216 trclubgNEW 44045 omecl 46931 sssmf 47166 mbfresmf 47167 smfpimltxr 47175 smfpimgtxr 47208 smfres 47218 smfco 47230 iinfssc 49532 |
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