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Mirrors > Home > ILE Home > Th. List > funmpt | Unicode version |
Description: A function in maps-to notation is a function. (Contributed by Mario Carneiro, 13-Jan-2013.) |
Ref | Expression |
---|---|
funmpt |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funopab4 4967 |
. 2
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2 | df-mpt 3849 |
. . 3
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3 | 2 | funeqi 4952 |
. 2
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4 | 1, 3 | mpbir 144 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3904 ax-pow 3956 ax-pr 3972 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ral 2354 df-rex 2355 df-v 2604 df-un 2978 df-in 2980 df-ss 2987 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-br 3794 df-opab 3848 df-mpt 3849 df-id 4056 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-fun 4934 |
This theorem is referenced by: funmpt2 4969 fmptco 5362 resfunexg 5414 mptexg 5418 brtpos2 5900 tposfun 5909 rdgtfr 6023 rdgruledefgg 6024 rdgon 6035 freccllem 6051 frecfcllem 6053 sizeinf 9802 sizeennn 9804 negfi 10248 |
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