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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 5370 |
. 2
| |
| 2 | df-mpt 4157 |
. . 3
| |
| 3 | 2 | funeqi 5354 |
. 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-fun 5335 |
| This theorem is referenced by: funmpt2 5372 fmptco 5821 resfunexg 5883 mptexg 5889 mptexw 6284 brtpos2 6460 tposfun 6469 rdgtfr 6583 rdgruledefgg 6584 rdgon 6595 freccllem 6611 frecfcllem 6613 hashinfom 11086 hashennn 11088 ccatalpha 11239 negfi 11851 tgrest 14963 dvrecap 15507 funmptd 16504 |
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