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Mirrors > Home > ILE Home > Th. List > mapex | Unicode version |
Description: The class of all functions mapping one set to another is a set. Remark after Definition 10.24 of [Kunen] p. 31. (Contributed by Raph Levien, 4-Dec-2003.) |
Ref | Expression |
---|---|
mapex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fssxp 5422 |
. . . 4
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2 | 1 | ss2abi 3252 |
. . 3
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3 | df-pw 3604 |
. . 3
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4 | 2, 3 | sseqtrri 3215 |
. 2
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5 | xpexg 4774 |
. . 3
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6 | pwexg 4210 |
. . 3
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7 | 5, 6 | syl 14 |
. 2
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8 | ssexg 4169 |
. 2
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9 | 4, 7, 8 | sylancr 414 |
1
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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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-xp 4666 df-rel 4667 df-cnv 4668 df-dm 4670 df-rn 4671 df-fun 5257 df-fn 5258 df-f 5259 |
This theorem is referenced by: fnmap 6711 mapvalg 6714 exmidpw2en 6970 nninfex 7182 ptex 12878 isghm 13316 psrval 14163 psrbasg 14170 cnovex 14375 ispsmet 14502 cncfval 14751 |
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