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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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funopab4 5361 |
. 2
| |
| 2 | df-mpt 4150 |
. . 3
| |
| 3 | 2 | funeqi 5345 |
. 2
|
| 4 | 1, 3 | mpbir 146 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-fun 5326 |
| This theorem is referenced by: funmpt2 5363 fmptco 5809 resfunexg 5870 mptexg 5874 mptexw 6270 brtpos2 6412 tposfun 6421 rdgtfr 6535 rdgruledefgg 6536 rdgon 6547 freccllem 6563 frecfcllem 6565 hashinfom 11030 hashennn 11032 ccatalpha 11180 negfi 11779 tgrest 14883 dvrecap 15427 funmptd 16335 |
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