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Related theorems Unicode version |
| Description: The domain of a mapping. |
| Ref | Expression |
|---|---|
| fdm |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffn 3627 |
. 2
| |
| 2 | fndm 3587 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fdmi 3632 fco 3636 fssxp 3637 ffdm 3639 dmfex 3655 f00 3657 foima 3676 fornex 3679 foco 3682 f1ores 3703 f1imacnv 3705 f1ococnv2 3708 fimacnv 3810 dff2 3817 fopab2 3823 cbvfo 3885 mapprc 4326 map0b 4343 mapsn 4345 brdomg 4376 fodomr 4483 mapdom2lem 4493 fodomfiOLD 4566 fodomfibOLD 4567 inf3lem7 4619 fodom 4798 fodomb 4800 fseqsupcl 6525 fseqsupub 6526 infmap2 7581 iscnp2 7761 cnpco 7769 iscncl 7770 cnsscnp 7772 cncnplem4 7777 cnconst 7780 ismet 7798 dfms2 7799 metssba 7809 metne0 7821 metreslem 7822 metres 7823 metcnplem 7886 metcnp 7887 metcnp3 7896 metcnss 7898 metcnss2 7899 grprndm 8054 resgrprn 8095 subgres 8117 vcoprne 8198 nvdm 8289 imsdval 8317 imsba 8321 ipfval 8352 sspn 8395 dmadjrnb 9830 ghomfo 10391 mapdiscn 10511 dcsda 10666 |
| 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 3193 df-f 3194 |