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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 5394 |
. 2
| |
| 2 | df-mpt 4178 |
. . 3
| |
| 3 | 2 | funeqi 5378 |
. 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 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-fun 5359 |
| This theorem is referenced by: funmpt2 5396 fmptco 5848 resfunexg 5910 mptexg 5916 mptexw 6315 brtpos2 6495 tposfun 6504 rdgtfr 6618 rdgruledefgg 6619 rdgon 6630 freccllem 6646 frecfcllem 6648 hashinfom 11166 hashennn 11168 ccatalpha 11326 negfi 11938 tgrest 15160 dvrecap 15704 funmptd 16701 |
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