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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 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fssxp 5285 | . . . 4 | |
2 | 1 | ss2abi 3164 | . . 3 |
3 | df-pw 3507 | . . 3 | |
4 | 2, 3 | sseqtrri 3127 | . 2 |
5 | xpexg 4648 | . . 3 | |
6 | pwexg 4099 | . . 3 | |
7 | 5, 6 | syl 14 | . 2 |
8 | ssexg 4062 | . 2 | |
9 | 4, 7, 8 | sylancr 410 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 1480 cab 2123 cvv 2681 wss 3066 cpw 3505 cxp 4532 wf 5114 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-un 4350 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-br 3925 df-opab 3985 df-xp 4540 df-rel 4541 df-cnv 4542 df-dm 4544 df-rn 4545 df-fun 5120 df-fn 5121 df-f 5122 |
This theorem is referenced by: fnmap 6542 mapvalg 6545 cnovex 12354 ispsmet 12481 cncfval 12717 nninfex 13194 |
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