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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 5363 |
. 2
| |
| 2 | df-mpt 4152 |
. . 3
| |
| 3 | 2 | funeqi 5347 |
. 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-fun 5328 |
| This theorem is referenced by: funmpt2 5365 fmptco 5813 resfunexg 5874 mptexg 5878 mptexw 6274 brtpos2 6416 tposfun 6425 rdgtfr 6539 rdgruledefgg 6540 rdgon 6551 freccllem 6567 frecfcllem 6569 hashinfom 11039 hashennn 11041 ccatalpha 11189 negfi 11788 tgrest 14892 dvrecap 15436 funmptd 16399 |
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