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Mirrors > Home > MPE Home > Th. List > mpteq1 | Structured version Visualization version GIF version |
Description: An equality theorem for the maps to notation. (Contributed by Mario Carneiro, 16-Dec-2013.) |
Ref | Expression |
---|---|
mpteq1 | ⊢ (𝐴 = 𝐵 → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqidd 2611 | . . 3 ⊢ (𝑥 ∈ 𝐴 → 𝐶 = 𝐶) | |
2 | 1 | rgen 2906 | . 2 ⊢ ∀𝑥 ∈ 𝐴 𝐶 = 𝐶 |
3 | mpteq12 4664 | . 2 ⊢ ((𝐴 = 𝐵 ∧ ∀𝑥 ∈ 𝐴 𝐶 = 𝐶) → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) | |
4 | 2, 3 | mpan2 703 | 1 ⊢ (𝐴 = 𝐵 → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 ∀wral 2896 ↦ cmpt 4643 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-ral 2901 df-opab 4644 df-mpt 4645 |
This theorem is referenced by: mpteq1d 4666 mpteq1i 4667 fmptap 6341 mpt2mpt 6650 mpt2mptsx 7122 mpt2mpts 7123 tposf12 7264 oarec 7529 pwfseq 9365 wunex2 9439 wuncval2 9448 wrd2f1tovbij 13551 vrmdfval 17216 pmtrfval 17693 sylow1 17841 sylow2b 17861 sylow3lem5 17869 sylow3 17871 gsumconst 18157 gsum2dlem2 18193 gsumcom2 18197 srgbinomlem4 18366 mvrfval 19241 mplcoe1 19286 mplcoe5 19289 evlsval 19340 ply1coe 19487 coe1fzgsumd 19493 evls1fval 19505 evl1gsumd 19542 gsumfsum 19632 mavmul0 20177 m2detleiblem3 20254 m2detleiblem4 20255 madugsum 20268 cramer0 20315 pmatcollpw3fi1lem1 20410 restco 20778 cnmpt1t 21278 cnmpt2t 21286 fmval 21557 symgtgp 21715 prdstgpd 21738 dfarea 24487 istrkg2ld 25159 wlknwwlknbij2 26242 wlkiswwlkbij2 26249 wwlkextbij 26261 gsumvsca1 29113 gsumvsca2 29114 indv 29402 gsumesum 29448 esumlub 29449 esum2d 29482 sitg0 29735 matunitlindflem1 32575 matunitlindf 32577 sdclem2 32708 fsovcnvlem 37327 ntrneibex 37391 stoweidlem9 38902 sge0sn 39272 sge0iunmptlemfi 39306 sge0isum 39320 ovn02 39458 |
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