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| Description: Set exponentiation has a universal domain. (Contributed by NM, 8-Dec-2003.) (Revised by Mario Carneiro, 8-Sep-2013.) |
| Ref | Expression |
|---|---|
| fnmap |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-map 6819 |
. 2
| |
| 2 | vex 2805 |
. . 3
| |
| 3 | vex 2805 |
. . 3
| |
| 4 | mapex 6823 |
. . 3
| |
| 5 | 2, 3, 4 | mp2an 426 |
. 2
|
| 6 | 1, 5 | fnmpoi 6368 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 11128 omctfn 13069 prdsvallem 13360 prdsval 13361 ismhm 13549 mhmex 13550 rhmex 14177 fnpsr 14687 psrelbas 14695 psrplusgg 14698 psraddcl 14700 psr0cl 14701 psr0lid 14702 psrnegcl 14703 psrlinv 14704 psrgrp 14705 psr1clfi 14708 mplsubgfilemcl 14719 cnfval 14924 cnpfval 14925 cnpval 14928 ismet 15074 isxmet 15075 xmetunirn 15088 plyval 15462 2omapen 16621 pw1mapen 16623 |
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