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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 6862 |
. 2
| |
| 2 | vex 2806 |
. . 3
| |
| 3 | vex 2806 |
. . 3
| |
| 4 | mapex 6866 |
. . 3
| |
| 5 | 2, 3, 4 | mp2an 426 |
. 2
|
| 6 | 1, 5 | fnmpoi 6377 |
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 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-map 6862 |
| This theorem is referenced by: mapsnen 7029 map1 7030 mapen 7075 mapdom1g 7076 mapxpen 7077 xpmapenlem 7078 hashfacen 11144 wrdexg 11171 omctfn 13125 prdsvallem 13416 prdsval 13417 ismhm 13605 mhmex 13606 rhmex 14233 fnpsr 14743 psrelbas 14756 psrplusgg 14759 psraddcl 14761 psr0cl 14762 psr0lid 14763 psrnegcl 14764 psrlinv 14765 psrgrp 14766 psr1clfi 14769 mplsubgfilemcl 14780 cnfval 14985 cnpfval 14986 cnpval 14989 ismet 15135 isxmet 15136 xmetunirn 15149 plyval 15523 2omapen 16696 pw1mapen 16698 |
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