| Intuitionistic Logic Explorer | 
      
      
      < Previous  
      Next >
      
       Nearby theorems  | 
  ||
| 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 5295 | 
. 2
 | |
| 2 | df-mpt 4096 | 
. . 3
 | |
| 3 | 2 | funeqi 5279 | 
. 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-br 4034 df-opab 4095 df-mpt 4096 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-fun 5260 | 
| This theorem is referenced by: funmpt2 5297 fmptco 5728 resfunexg 5783 mptexg 5787 mptexw 6170 brtpos2 6309 tposfun 6318 rdgtfr 6432 rdgruledefgg 6433 rdgon 6444 freccllem 6460 frecfcllem 6462 hashinfom 10870 hashennn 10872 negfi 11393 tgrest 14405 dvrecap 14949 funmptd 15449 | 
| Copyright terms: Public domain | W3C validator |