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Mirrors > Home > ILE Home > Th. List > df-f | Unicode version |
Description: Define a function (mapping) with domain and codomain. Definition 6.15(3) of [TakeutiZaring] p. 27. (Contributed by NM, 1-Aug-1994.) |
Ref | Expression |
---|---|
df-f |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA | . . 3 | |
2 | cB | . . 3 | |
3 | cF | . . 3 | |
4 | 1, 2, 3 | wf 5178 | . 2 |
5 | 3, 1 | wfn 5177 | . . 3 |
6 | 3 | crn 4599 | . . . 4 |
7 | 6, 2 | wss 3111 | . . 3 |
8 | 5, 7 | wa 103 | . 2 |
9 | 4, 8 | wb 104 | 1 |
Colors of variables: wff set class |
This definition is referenced by: feq1 5314 feq2 5315 feq3 5316 nff 5328 sbcfg 5330 ffn 5331 dffn2 5333 frn 5340 dffn3 5342 fss 5343 fco 5347 funssxp 5351 fun 5354 fnfco 5356 fssres 5357 fcoi2 5363 fintm 5367 fin 5368 f0 5372 fconst 5377 f1ssr 5394 fof 5404 dff1o2 5431 fun11iun 5447 ffoss 5458 dff2 5623 fmpt 5629 ffnfv 5637 ffvresb 5642 fpr 5661 fprg 5662 idref 5719 dff1o6 5738 fliftf 5761 1stcof 6123 2ndcof 6124 smores 6251 smores2 6253 iordsmo 6256 tfrcllembfn 6316 sbthlemi9 6921 inresflem 7016 frec2uzf1od 10331 frecuzrdgtcl 10337 fclim 11221 ennnfonelemf1 12288 cnrest2 12777 lmss 12787 psmetxrge0 12873 dvfgg 13198 nninfall 13723 |
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