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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 6991 | 1 ⊢ (𝐴 ∈ 𝐷 → (𝐹‘𝐴) = 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 Vcvv 3450 ↦ cmpt 5186 ‘cfv 6533 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-iota 6489 df-fun 6535 df-fv 6541 |
| This theorem is used by: isf32lem9 10363 axcc2lem 10438 caucvg 15766 ismre 17674 mrisval 17718 frmdup1 18973 frmdup2 18974 qusghm 19382 pmtrfval 19577 odf1 19689 vrgpfval 19893 dprdz 20159 dmdprdsplitlem 20166 dprd2dlem2 20169 dprd2dlem1 20170 dprd2da 20171 ablfac1a 20198 ablfac1b 20199 ablfac1eu 20202 ipdir 21852 ipass 21858 isphld 21867 istopon 23137 qustgpopn 24346 qustgplem 24347 tcphcph 25465 cmvth 26218 mvth 26219 dvle 26234 lhop1 26241 dvfsumlem3 26255 pige3ALT 26757 fsumdvdscom 27421 logfacbnd3 27459 dchrptlem1 27500 dchrptlem2 27501 lgsdchrval 27590 dchrisumlem3 27727 dchrisum0flblem1 27744 dchrisum0fno1 27747 dchrisum0lem1b 27751 dchrisum0lem2a 27753 dchrisum0lem2 27754 logsqvma2 27779 log2sumbnd 27780 zringfrac 33964 measdivcst 34735 measdivcstALTV 34736 mrexval 36080 mexval 36081 mdvval 36083 msubvrs 36139 mthmval 36154 weiunlem 37082 f1omptsnlem 38090 upixp 38479 ismrer1 38588 frlmsnic 43422 fsuppind 43436 uzmptshftfval 45170 tposideq 49814 fucocolem2 50280 veronesevald 50804 veronesevrowd 50812 amgmwlem 50820 amgmlemALT 50821 |
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