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| Mirrors > Home > ILE Home > Th. List > fnmap | GIF version | ||
| Description: Set exponentiation has a universal domain. (Contributed by NM, 8-Dec-2003.) (Revised by Mario Carneiro, 8-Sep-2013.) |
| Ref | Expression |
|---|---|
| fnmap | ⊢ ↑𝑚 Fn (V × V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-map 6810 | . 2 ⊢ ↑𝑚 = (𝑥 ∈ V, 𝑦 ∈ V ↦ {𝑓 ∣ 𝑓:𝑦⟶𝑥}) | |
| 2 | vex 2802 | . . 3 ⊢ 𝑦 ∈ V | |
| 3 | vex 2802 | . . 3 ⊢ 𝑥 ∈ V | |
| 4 | mapex 6814 | . . 3 ⊢ ((𝑦 ∈ V ∧ 𝑥 ∈ V) → {𝑓 ∣ 𝑓:𝑦⟶𝑥} ∈ V) | |
| 5 | 2, 3, 4 | mp2an 426 | . 2 ⊢ {𝑓 ∣ 𝑓:𝑦⟶𝑥} ∈ V |
| 6 | 1, 5 | fnmpoi 6360 | 1 ⊢ ↑𝑚 Fn (V × V) |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 {cab 2215 Vcvv 2799 × cxp 4718 Fn wfn 5316 ⟶wf 5317 ↑𝑚 cmap 6808 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-res 4732 df-ima 4733 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-fv 5329 df-oprab 6014 df-mpo 6015 df-1st 6295 df-2nd 6296 df-map 6810 |
| This theorem is referenced by: mapsnen 6977 map1 6978 mapen 7020 mapdom1g 7021 mapxpen 7022 xpmapenlem 7023 hashfacen 11076 wrdexg 11100 omctfn 13035 prdsvallem 13326 prdsval 13327 ismhm 13515 mhmex 13516 rhmex 14142 fnpsr 14652 psrelbas 14660 psrplusgg 14663 psraddcl 14665 psr0cl 14666 psr0lid 14667 psrnegcl 14668 psrlinv 14669 psrgrp 14670 psr1clfi 14673 mplsubgfilemcl 14684 cnfval 14889 cnpfval 14890 cnpval 14893 ismet 15039 isxmet 15040 xmetunirn 15053 plyval 15427 2omapen 16473 pw1mapen 16475 |
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