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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 6819 | . 2 ⊢ ↑𝑚 = (𝑥 ∈ V, 𝑦 ∈ V ↦ {𝑓 ∣ 𝑓:𝑦⟶𝑥}) | |
| 2 | vex 2805 | . . 3 ⊢ 𝑦 ∈ V | |
| 3 | vex 2805 | . . 3 ⊢ 𝑥 ∈ V | |
| 4 | mapex 6823 | . . 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 6368 | 1 ⊢ ↑𝑚 Fn (V × V) |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 {cab 2217 Vcvv 2802 × cxp 4723 Fn wfn 5321 ⟶wf 5322 ↑𝑚 cmap 6817 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-fv 5334 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-map 6819 |
| This theorem is referenced by: mapsnen 6986 map1 6987 mapen 7032 mapdom1g 7033 mapxpen 7034 xpmapenlem 7035 hashfacen 11101 wrdexg 11125 omctfn 13066 prdsvallem 13357 prdsval 13358 ismhm 13546 mhmex 13547 rhmex 14174 fnpsr 14684 psrelbas 14692 psrplusgg 14695 psraddcl 14697 psr0cl 14698 psr0lid 14699 psrnegcl 14700 psrlinv 14701 psrgrp 14702 psr1clfi 14705 mplsubgfilemcl 14716 cnfval 14921 cnpfval 14922 cnpval 14925 ismet 15071 isxmet 15072 xmetunirn 15085 plyval 15459 2omapen 16616 pw1mapen 16618 |
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