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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 6998 | 1 ⊢ (𝐴 ∈ 𝐷 → (𝐹‘𝐴) = 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 Vcvv 3457 ↦ cmpt 5194 ‘cfv 6540 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-pr 5406 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-iota 6496 df-fun 6542 df-fv 6548 |
| This theorem is used by: isf32lem9 10360 axcc2lem 10435 caucvg 15754 ismre 17664 mrisval 17708 frmdup1 18960 frmdup2 18961 qusghm 19369 pmtrfval 19564 odf1 19676 vrgpfval 19880 dprdz 20146 dmdprdsplitlem 20153 dprd2dlem2 20156 dprd2dlem1 20157 dprd2da 20158 ablfac1a 20185 ablfac1b 20186 ablfac1eu 20189 ipdir 21839 ipass 21845 isphld 21854 istopon 23119 qustgpopn 24328 qustgplem 24329 tcphcph 25447 cmvth 26201 mvth 26202 dvle 26217 lhop1 26224 dvfsumlem3 26238 pige3ALT 26736 fsumdvdscom 27400 logfacbnd3 27438 dchrptlem1 27479 dchrptlem2 27480 lgsdchrval 27569 dchrisumlem3 27706 dchrisum0flblem1 27723 dchrisum0fno1 27726 dchrisum0lem1b 27730 dchrisum0lem2a 27732 dchrisum0lem2 27733 logsqvma2 27758 log2sumbnd 27759 zringfrac 33908 measdivcst 34679 measdivcstALTV 34680 mrexval 36030 mexval 36031 mdvval 36033 msubvrs 36089 mthmval 36104 weiunlem 37031 f1omptsnlem 38039 upixp 38438 ismrer1 38547 frlmsnic 43366 fsuppind 43380 uzmptshftfval 45114 tposideq 49723 fucocolem2 50189 amgmwlem 50707 amgmlemALT 50708 |
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