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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 5409 |
. 2
| |
| 2 | df-mpt 4189 |
. . 3
| |
| 3 | 2 | funeqi 5393 |
. 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 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-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-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 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-fun 5374 |
| This theorem is referenced by: funmpt2 5411 fmptco 5865 resfunexg 5927 mptexg 5933 mptexw 6332 brtpos2 6512 tposfun 6521 rdgtfr 6635 rdgruledefgg 6636 rdgon 6647 freccllem 6663 frecfcllem 6665 hashinfom 11195 hashennn 11197 ccatalpha 11359 negfi 11972 tgrest 15193 dvrecap 15737 funmptd 16745 |
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