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| Description: Define a function with domain. Definition 6.15(1) of [TakeutiZaring] p. 27. For alternate definitions, see dffn2 4699, dffn3 4705, dffn4 4750, and dffn5 4842. |
| Ref | Expression |
|---|---|
| df-fn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA |
. . 3
| |
| 2 | cB |
. . 3
| |
| 3 | 1, 2 | wfn 4158 |
. 2
|
| 4 | 1 | wfun 4157 |
. . 3
|
| 5 | 1 | cdm 4151 |
. . . 4
|
| 6 | 5, 2 | wceq 1615 |
. . 3
|
| 7 | 4, 6 | wa 433 |
. 2
|
| 8 | 3, 7 | wb 231 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: funfn 4591 fnsn 4608 fnprg 4609 fntp 4610 fncnv 4618 fneq1 4640 fneq2 4641 hbfn 4647 fnfun 4648 fndm 4650 fnun 4657 fnco 4658 fnssresb 4662 fnresi 4666 fn0 4668 fnex 4670 fnopabg 4680 fcoi1 4716 f00 4728 f1cnvcnv 4738 fores 4754 dff1o4 4769 foimacnv 4779 funbrfvb 4839 funfv 4855 fvimacnvALT 4907 respreima 4911 dff3 4919 fpr 4943 fvi 4949 f1oweALT 5019 fnoprabg 5073 fnmpt 5154 curry1 5238 curry2 5241 tfrlem10 5332 tfr1 5336 frfnom 5363 sbthlem9 5727 fodomr 5759 axdc3lem2 6377 axaddopr 6860 axmulopr 6861 infxpidmlem7OLD 9357 grprn 10357 ssga 10476 gapm 10483 ringsn 10511 subtopmetlem 11251 zrdivrng 11414 bnj143 13413 bnj1422 14047 bnj103 14152 bnj522 14190 bnj535 14194 nqerf 14533 fresin 14717 wfrlem13 14869 wfr1 14873 elno2 14907 bdayfn 14932 axdenselem1 14935 cmpdom 15476 repfuntw 15502 unprj 15511 domrancur1b 15548 domrancur1c 15550 curgrpact 15731 trnij 16068 opncldf1 16487 cnsubsp 16511 neibastop2lem3 16606 prfOLD 16765 respreimaOLD 16769 |