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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 2623 | . . 3 ⊢ (𝑥 ∈ 𝐴 → 𝐶 = 𝐶) | |
2 | 1 | rgen 2922 | . 2 ⊢ ∀𝑥 ∈ 𝐴 𝐶 = 𝐶 |
3 | mpteq12 4736 | . 2 ⊢ ((𝐴 = 𝐵 ∧ ∀𝑥 ∈ 𝐴 𝐶 = 𝐶) → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) | |
4 | 2, 3 | mpan2 707 | 1 ⊢ (𝐴 = 𝐵 → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1483 ∈ wcel 1990 ∀wral 2912 ↦ cmpt 4729 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-ral 2917 df-opab 4713 df-mpt 4730 |
This theorem is referenced by: mpteq1d 4738 mpteq1i 4739 fmptap 6436 mpt2mpt 6752 mpt2mptsx 7233 mpt2mpts 7234 tposf12 7377 oarec 7642 pwfseq 9486 wunex2 9560 wuncval2 9569 wrd2f1tovbij 13703 vrmdfval 17393 pmtrfval 17870 sylow1 18018 sylow2b 18038 sylow3lem5 18046 sylow3 18048 gsumconst 18334 gsum2dlem2 18370 gsumcom2 18374 srgbinomlem4 18543 mvrfval 19420 mplcoe1 19465 mplcoe5 19468 evlsval 19519 ply1coe 19666 coe1fzgsumd 19672 evls1fval 19684 evl1gsumd 19721 gsumfsum 19813 mavmul0 20358 m2detleiblem3 20435 m2detleiblem4 20436 madugsum 20449 cramer0 20496 pmatcollpw3fi1lem1 20591 restco 20968 cnmpt1t 21468 cnmpt2t 21476 fmval 21747 symgtgp 21905 prdstgpd 21928 dfarea 24687 istrkg2ld 25359 gsumvsca1 29782 gsumvsca2 29783 indv 30074 gsumesum 30121 esumlub 30122 esum2d 30155 sitg0 30408 matunitlindflem1 33405 matunitlindf 33407 sdclem2 33538 fsovcnvlem 38307 ntrneibex 38371 stoweidlem9 40226 sge0sn 40596 sge0iunmptlemfi 40630 sge0isum 40644 ovn02 40782 |
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