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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 7003 | 1 ⊢ (𝐴 ∈ 𝐷 → (𝐹‘𝐴) = 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 Vcvv 3450 ↦ cmpt 5185 ‘cfv 6543 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-iota 6497 df-fun 6545 df-fv 6551 |
| This theorem is used by: isf32lem9 10446 axcc2lem 10521 caucvg 15855 ismre 17769 mrisval 17813 frmdup1 19069 frmdup2 19070 qusghm 19478 pmtrfval 19673 odf1 19785 vrgpfval 19989 dprdz 20255 dmdprdsplitlem 20262 dprd2dlem2 20265 dprd2dlem1 20266 dprd2da 20267 ablfac1a 20294 ablfac1b 20295 ablfac1eu 20298 ipdir 21954 ipass 21960 isphld 21969 istopon 23239 qustgpopn 24448 qustgplem 24449 tcphcph 25567 cmvth 26320 mvth 26321 dvle 26336 lhop1 26343 dvfsumlem3 26357 pige3ALT 26857 fsumdvdscom 27521 logfacbnd3 27559 dchrptlem1 27600 dchrptlem2 27601 lgsdchrval 27690 dchrisumlem3 27827 dchrisum0flblem1 27844 dchrisum0fno1 27847 dchrisum0lem1b 27851 dchrisum0lem2a 27853 dchrisum0lem2 27854 logsqvma2 27879 log2sumbnd 27880 zringfrac 34136 measdivcst 34907 measdivcstALTV 34908 mrexval 36356 mexval 36357 mdvval 36359 msubvrs 36415 mthmval 36430 weiunlem 37347 f1omptsnlem 38368 upixp 38772 ismrer1 38881 frlmsnic 43713 fsuppind 43727 uzmptshftfval 45439 tposideq 50109 fucocolem2 50584 veronesevald 51154 veronesevrowd 51162 amgmwlem 51170 amgmlemALT 51171 |
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