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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 7594 | . 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 2111 Vcvv 3441 dom cdm 5519 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-cnv 5527 df-dm 5529 df-rn 5530 |
This theorem is referenced by: fndmexd 7597 unxpwdom2 9036 wemapwe 9144 imadomg 9945 fpwwe2lem12 10052 fpwwe2lem13 10053 hashdmpropge2 13837 prdsplusg 16723 prdsmulr 16724 prdsvsca 16725 prdshom 16732 ssclem 17081 subsubc 17115 efgrcl 18833 dprdgrp 19120 dprdf 19121 dprdssv 19131 f1lindf 20511 decpmatval0 21369 pmatcollpw3lem 21388 ordtrest2lem 21808 ordtrest2 21809 mbfmulc2re 24252 mbfneg 24254 dvnf 24530 dvnbss 24531 dchrptlem3 25850 gsummpt2d 30734 cycpmco2lem5 30822 cycpmconjslem2 30847 trclubgNEW 40318 omecl 43142 sssmf 43372 mbfresmf 43373 smfpimltxr 43381 smfpimgtxr 43413 smfres 43422 smfco 43434 isomgreqve 44343 |
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