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| Mirrors > Home > MPE Home > Th. List > fvmpt3i | Structured version Visualization version GIF version | ||
| Description: Value of a function given in maps-to notation, with a slightly different sethood condition. (Contributed by Mario Carneiro, 11-Sep-2015.) |
| Ref | Expression |
|---|---|
| fvmpt3.a | ⊢ (𝑥 = 𝐴 → 𝐵 = 𝐶) |
| fvmpt3.b | ⊢ 𝐹 = (𝑥 ∈ 𝐷 ↦ 𝐵) |
| fvmpt3i.c | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| fvmpt3i | ⊢ (𝐴 ∈ 𝐷 → (𝐹‘𝐴) = 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvmpt3.a | . 2 ⊢ (𝑥 = 𝐴 → 𝐵 = 𝐶) | |
| 2 | fvmpt3.b | . 2 ⊢ 𝐹 = (𝑥 ∈ 𝐷 ↦ 𝐵) | |
| 3 | fvmpt3i.c | . . 3 ⊢ 𝐵 ∈ V | |
| 4 | 3 | a1i 11 | . 2 ⊢ (𝑥 ∈ 𝐷 → 𝐵 ∈ V) |
| 5 | 1, 2, 4 | fvmpt3 7029 | 1 ⊢ (𝐴 ∈ 𝐷 → (𝐹‘𝐴) = 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 Vcvv 3454 ↦ cmpt 5192 ‘cfv 6566 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-iota 6520 df-fun 6568 df-fv 6574 |
| This theorem is used by: isf32lem9 10478 axcc2lem 10553 caucvg 15890 ismre 17810 mrisval 17854 frmdup1 19110 frmdup2 19111 qusghm 19519 pmtrfval 19715 odf1 19827 vrgpfval 20031 dprdz 20297 dmdprdsplitlem 20304 dprd2dlem2 20307 dprd2dlem1 20308 dprd2da 20309 ablfac1a 20336 ablfac1b 20337 ablfac1eu 20340 ipdir 22000 ipass 22006 isphld 22015 istopon 23285 qustgpopn 24494 qustgplem 24495 tcphcph 25613 cmvth 26366 mvth 26367 dvle 26382 lhop1 26389 dvfsumlem3 26403 pige3ALT 26905 fsumdvdscom 27569 logfacbnd3 27607 dchrptlem1 27648 dchrptlem2 27649 lgsdchrval 27738 dchrisumlem3 27875 dchrisum0flblem1 27892 dchrisum0fno1 27895 dchrisum0lem1b 27899 dchrisum0lem2a 27901 dchrisum0lem2 27902 logsqvma2 27927 log2sumbnd 27928 zringfrac 34189 measdivcst 34968 measdivcstALTV 34969 mrexval 36474 mexval 36475 mdvval 36477 msubvrs 36533 mthmval 36548 weiunlem 37466 f1omptsnlem 38527 upixp 38931 ismrer1 39038 frlmsnic 43870 fsuppind 43884 uzmptshftfval 45591 tposideq 50332 fucocolem2 50807 veronesevald 51399 veronesevrowd 51407 amgmwlem 51415 amgmlemALT 51416 |
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