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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 6886 | . 2 ⊢ ↑𝑚 = (𝑥 ∈ V, 𝑦 ∈ V ↦ {𝑓 ∣ 𝑓:𝑦⟶𝑥}) | |
| 2 | vex 2818 | . . 3 ⊢ 𝑦 ∈ V | |
| 3 | vex 2818 | . . 3 ⊢ 𝑥 ∈ V | |
| 4 | mapex 6890 | . . 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 6401 | 1 ⊢ ↑𝑚 Fn (V × V) |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 {cab 2220 Vcvv 2815 × cxp 4749 Fn wfn 5349 ⟶wf 5350 ↑𝑚 cmap 6884 |
| 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 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 |
| 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 3045 df-csb 3141 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-iun 3995 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-fv 5362 df-oprab 6056 df-mpo 6057 df-1st 6336 df-2nd 6337 df-map 6886 |
| This theorem is referenced by: mapsnend 7054 mapsnen 7055 map1 7056 mapen 7101 mapdom1g 7102 mapxpen 7103 xpmapenlem 7104 mapunen 7106 2omapen 7272 hashfacen 11216 wrdexg 11243 omctfn 13215 prdsvallem 13506 prdsval 13507 ismhm 13695 mhmex 13696 rhmex 14324 fnpsr 14864 psrelbas 14879 psrplusgg 14882 psraddcl 14884 psr0cl 14885 psr0lid 14886 psrnegcl 14887 psrlinv 14888 psrgrp 14889 psr1clfi 14892 mplsubgfilemcl 14903 cnfval 15108 cnpfval 15109 cnpval 15112 ismet 15258 isxmet 15259 xmetunirn 15272 plyval 15646 pw1mapen 16819 |
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