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| Description: Define a function (mapping) with domain and codomain. Definition 6.15(3) of [TakeutiZaring] p. 27. For alternate definitions, see dff2 4789, dff3 4790, and dff4 4791. |
| Ref | Expression |
|---|---|
| df-f |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA |
. . 3
| |
| 2 | cB |
. . 3
| |
| 3 | cF |
. . 3
| |
| 4 | 1, 2, 3 | wf 3994 |
. 2
|
| 5 | 3, 1 | wfn 3993 |
. . 3
|
| 6 | 3 | crn 3987 |
. . . 4
|
| 7 | 6, 2 | wss 2593 |
. . 3
|
| 8 | 5, 7 | wa 240 |
. 2
|
| 9 | 4, 8 | wb 163 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: feq1 4551 feq2 4552 feq3 4553 feq23OLD 4555 hbf 4560 ffn 4562 dffn2 4563 dffn2OLD 4564 frn 4569 dffn3 4570 fss 4571 fssOLD 4572 fco 4573 fcoOLD 4574 funssxp 4577 fun 4580 fnfco 4581 fssres 4582 fcoi2 4586 fint 4591 fintOLD 4592 fin 4593 finOLD 4594 f0 4600 fconst 4602 fconstOLD 4603 fof 4617 dff1o2 4639 dff1o2OLD 4640 dff1o3OLD 4642 ffoss 4665 dff2 4789 dff3 4790 fopab2 4796 ffnfv 4801 fopabco 4805 fpr 4810 fprOLD 4811 dff1o6 4853 1stcof 5040 mapval2 5394 map0e 5401 sbthlem9 5518 inf3lem6 5724 ac5b 5915 om2uzf1oi 7712 seq1f 7736 seq1f2 7737 ser1f 7741 reeff1o 8691 ruclem13 8791 infmap2lem2 8849 idcn 9042 lmsslem 9230 ssga 9455 hhssnv 10767 pjfi 11284 fresin 13840 elno2 14005 axdenselem6 14024 dff1o6f 14416 fopab2g 14485 domrancur1b 14548 isppm 14715 homcard 14893 trnij 15015 cnsubsp 15426 cnsubsp2 15427 tailmap 15636 filnet 15645 cnimass 15888 heiborlem29 15983 heiborlem33 15987 pcocn 16076 smores 16446 iordsmo 16448 |