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| Mirrors > Home > MPE Home > Th. List > fnmpt | Structured version Visualization version GIF version | ||
| Description: The maps-to notation defines a function with domain. (Contributed by NM, 9-Apr-2013.) |
| Ref | Expression |
|---|---|
| mptfng.1 | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
| Ref | Expression |
|---|---|
| fnmpt | ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3471 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3099 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6672 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ V ↔ 𝐹 Fn 𝐴) |
| 5 | 2, 4 | sylib 221 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∀wral 3076 Vcvv 3450 ↦ cmpt 5186 Fn wfn 6528 |
| 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-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-fun 6535 df-fn 6536 |
| This theorem is used by: fnmptd 6674 mpt0 6675 fnmptfvd 7034 ralrnmptw 7088 ralrnmpt 7090 fmpt 7104 fmpt2d 7119 f1ocnvd 7666 offval2 7699 ofrfval2 7700 mptcnfimad 7984 fsplitfpar 8116 mptelixpg 8945 fifo 9405 cantnflem1 9671 infmap2 10222 compssiso 10379 gruiun 10811 mptnn0fsupp 14064 mptnn0fsuppr 14066 seqof 14126 sgnrn 15174 rlimi2 15604 prdsbas3 17569 prdsbascl 17571 prdsdsval2 17572 quslem 17632 fnmrc 17698 isofn 17867 ghmquskerco 19414 pmtrrn 19587 pmtrfrn 19588 pmtrdifwrdellem2 19612 gsummptcl 20097 mptscmfsupp0 21114 ofco2 22676 matunitlindflem1 22904 matunitlindflem2 22905 pmatcollpw2lem 23005 neif 23328 tgrest 23387 cmpfi 23636 elptr2 23803 xkoptsub 23883 ptcmplem2 24282 ptcmplem3 24283 prdsxmetlem 24597 prdsxmslem2 24758 bcth3 25562 uniioombllem6 25819 itg2const 25971 ellimc2 26107 dvrec 26185 dvmptres3 26186 ulmss 26636 ulmdvlem1 26639 ulmdvlem2 26640 ulmdvlem3 26641 itgulm2 26648 psercn 26665 tgjustr 28818 f1o3d 33102 f1od2 33193 psgnfzto1stlem 33543 frlmdim 34124 rmulccn 34441 esumnul 34561 esum0 34562 gsumesum 34572 ofcfval2 34617 signsplypnf 35061 signsply0 35062 hgt750lemb 35167 fineqvnttrclse 35653 wevgblacfn 35711 cdlemk56 41847 dicfnN 42059 hbtlem7 43969 refsumcn 45867 wessf1ornlem 46020 choicefi 46034 axccdom 46055 fsumsermpt 46412 liminfval2 46599 stoweidlem31 46862 stoweidlem59 46890 stirlinglem13 46917 dirkercncflem2 46935 fourierdlem62 46999 subsaliuncllem 47188 subsaliuncl 47189 hoidmvlelem3 47428 dfafn5b 48052 fundcmpsurinjlem2 48302 upgrimwlklem1 48816 lincresunit2 49411 isofnALT 49960 |
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