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Related theorems Unicode version |
| Description: A mapping is a function. |
| Ref | Expression |
|---|---|
| ffun |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffn 3633 |
. 2
| |
| 2 | fnfun 3591 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fco 3642 funssxp 3644 f00 3663 fofun 3679 f1ores 3709 f1ococnv2 3714 fimacnv 3816 dff2 3823 fodomr 4489 mapenlem1 4495 ac6lem 4764 carduniima 4901 climuz0 7108 dfef2 7307 infxpidmlem7 7559 infmap2 7583 iscnp2 7758 cnpco 7766 iscncl 7767 cnsscnp 7769 cncnplem4 7774 metcnplem 7883 metcnp 7884 metcnp3 7893 metcnss 7895 metcnss2 7896 cnmetdval 7899 bcthlem29 8024 ghsubgi 8134 nvex 8226 imsdval 8313 sspg 8383 ssps 8385 sspn 8391 lnocoi 8414 sincolem 8660 hoco 9685 homco1t 9722 homco2t 9896 lnopco 9923 hmopcot 9943 leopsqt 10057 rdmob 10652 rcmob 10653 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-fn 3199 df-f 3200 |