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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funmpt 5292 |
. 2
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2 | eqid 2193 |
. . . 4
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3 | 2 | dmmptss 5162 |
. . 3
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4 | ssexg 4168 |
. . 3
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5 | 3, 4 | mpan 424 |
. 2
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6 | funex 5781 |
. 2
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7 | 1, 5, 6 | 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-14 2167 ax-ext 2175 ax-coll 4144 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
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-reu 2479 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-iun 3914 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-f1 5259 df-fo 5260 df-f1o 5261 df-fv 5262 |
This theorem is referenced by: mptex 5784 mptexd 5785 offval 6138 abrexexg 6170 xpexgALT 6185 offval3 6186 iunon 6337 mptelixpg 6788 updjud 7141 mkvprop 7217 cc3 7328 iseqf1olemqpcl 10580 seq3f1olemqsum 10584 seq3f1olemstep 10585 negfi 11371 climmpt 11443 restval 12856 mulgnngsum 13197 ntrfval 14268 clsfval 14269 neifval 14308 cnprcl2k 14374 upxp 14440 |
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