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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 6897 |
. 2
| |
| 2 | vex 2818 |
. . 3
| |
| 3 | vex 2818 |
. . 3
| |
| 4 | mapex 6901 |
. . 3
| |
| 5 | 2, 3, 4 | mp2an 426 |
. 2
|
| 6 | 1, 5 | fnmpoi 6412 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-fv 5365 df-oprab 6062 df-mpo 6063 df-1st 6347 df-2nd 6348 df-map 6897 |
| This theorem is referenced by: mapsnend 7065 mapsnen 7066 map1 7067 mapen 7112 mapdom1g 7113 mapxpen 7114 xpmapenlem 7115 mapunen 7117 2omapen 7283 hashfacen 11233 wrdexg 11260 omctfn 13278 prdsvallem 13569 prdsval 13570 ismhm 13758 mhmex 13759 rhmex 14387 fnpsr 14927 psrelbas 14942 psrplusgg 14945 psraddcl 14947 psr0cl 14948 psr0lid 14949 psrnegcl 14950 psrlinv 14951 psrgrp 14952 psr1clfi 14955 mplsubgfilemcl 14966 cnfval 15171 cnpfval 15172 cnpval 15175 ismet 15321 isxmet 15322 xmetunirn 15335 plyval 15709 pw1mapen 16882 |
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