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| Mirrors > Home > ILE Home > Th. List > mptexg | Unicode version | ||
| Description: If the domain of a function given by maps-to notation is a set, the function is a set. (Contributed by FL, 6-Jun-2011.) (Revised by Mario Carneiro, 31-Aug-2015.) |
| Ref | Expression |
|---|---|
| mptexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funmpt 5410 |
. 2
| |
| 2 | eqid 2238 |
. . . 4
| |
| 3 | 2 | dmmptss 5279 |
. . 3
|
| 4 | ssexg 4267 |
. . 3
| |
| 5 | 3, 4 | mpan 428 |
. 2
|
| 6 | funex 5931 |
. 2
| |
| 7 | 1, 5, 6 | sylancr 418 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 |
| This theorem is referenced by: mptex 5934 mptexd 5935 offval 6300 abrexexg 6337 xpexgALT 6356 offval3 6357 iunon 6545 mptelixpg 7006 updjud 7412 mkvprop 7488 cc3 7624 iseqf1olemqpcl 10924 seq3f1olemqsum 10928 seq3f1olemstep 10929 negfi 11972 climmpt 12044 restval 13576 mulgnngzsum 13907 gzsumshift 14126 ntrfval 15124 clsfval 15125 neifval 15164 cnprcl2k 15230 upxp 15296 |
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